Completion and Disposition of FAA form 337, & Field Approvals
Cessna 170 · Checklist
Overview
This document provides guidance on the completion and disposition of FAA Form 337, which is used for reporting major repairs and alterations to aircraft. It outlines the procedures for filling out the form, the necessary information required, and the importance of compliance with FAA regulations. The document is intended for mechanics, repair stations, and individuals involved in aircraft maintenance and alterations. It emphasizes the need for accurate record-keeping and adherence to airworthiness standards.
- FAA Form 337 is required for reporting major repairs and alterations to aircraft.
- Accurate completion of the form is essential to avoid penalties.
- Field approvals may be necessary for certain alterations and repairs.
- The form must include a conformity statement from an authorized individual.
- Documentation must be maintained for all alterations to ensure compliance with airworthiness requirements.
Document
Source
Originally published by www.faasafety.gov. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Checklist
- Pages
- 67
- File size
- 468 KB
- Publisher
- www.faasafety.gov
Common. One of the most common aircraft types we track.
Most owners only have the POH. Here's the essential set for the Cessna 170.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
Introduction
The introduction explains the purpose of FAA Form 337, detailing when it should be completed and the procedures for its completion and disposition. It highlights the importance of using acceptable and approved data for major alterations and the process for applying for field approvals.
Instructions for Completing FAA Form 337
This section provides detailed instructions on filling out the form, including the required information such as aircraft make, model, serial number, and owner details. It emphasizes the need for accuracy and completeness in the provided information.
Approval for Return to Service
This section outlines the process for obtaining approval for the return to service of an aircraft after repairs or alterations have been made. It details the necessary signatures and certifications required from authorized personnel.
Field Approvals
The document discusses the types of field approvals available for major repairs and alterations, including the conditions under which they are granted and the documentation required.
Conformity Statement
This section explains the conformity statement that must be included in the form, certifying that the repairs or alterations comply with FAA regulations and standards.
Safety notes
- Failure to report can result in civil penalties up to $1,000 per violation.
- Alterations must be compatible with previous alterations to maintain airworthiness.
Full document text
Completion and Disposition of FAA form 337, & Field Approvals US. Department of Transportation Federal Aviation Federal Aviation Federal Aviation Federal Aviation Administration Administration Completion and Disposition of FAA form 337, & Field Approvals Introduction FAA Form 337`s, & when to complete them Procedures for completion & 4 Procedures for completion & disposition Use of acceptable and/or approved Data Major Alterations Applying for a Field Approval- MAJOR ALTERATIONS REFERENCE MATERIAL AC 43.9-1E, INSTRUCTIONS FOR COMPLETING FAA FORM 337 FAR PART 43 APPENDIX “A” Par. (a) FAR PART 43 APPENDIX “B” 5 FAR PART 43 APPENDIX “B” FAA ORDER 8300.10, (FIELD APPROVALS) FSAW 98-03 - FSAW 98-18 LAACO & AWP-200 WORKING AGREEMENT GUIDANCE FOR FIELD APPROVALS AC 65-19G, INSPECTION AUTHORIZATION KNOWLEDGE TEST GUIDE HANDOUT MATERIAL AC 43.9-1E, INSTRUCTIONS FOR COMPLETING FAA FORM 337 EXCERPT FROM FAA ORDER 6 EXCERPT FROM FAA ORDER 8300.10, (FIELD APPROVALS) FSAW 98-03 & FSAW 98-18 EXAMPLE OF COMPLETED 337 COPY OF THIS PRESENTATION TEST ! THERE WILL BE A SERIES OF VERBAL QUESTIONS THERE WILL BE A SERIES OF VERBAL QUESTIONS Hopefully at the end of this presentation you will better understand the use and disposition of FAA form 337`s, and when, and how you need to apply for a field approval. .337.DOC NOTICE 8. Description of Work Accomplished (If more space is required, attach additional sheets. Identify with nationality and registration mark and date work completed.) Weight and Ballance or operating limitation changes shall be entered in the appropriate aircraft record. An alteration must be compatible with all previous alterations to assure continued conformity with the applicable airworthiness requirements. Block 8 The Back side This is the hard Part, or at Additional Sheets Are Attached Part, or at least it seems to be for SOME mechanics and repair stations Instructions fo completing “FAA Form 337” BLOCK 1 & 2 AIRCRAFT and Registered Owner Information VERIFY INFORMATION IS COMPLETE AND ACCURATE . The Current AIRCRAFT 9 The Current AIRCRAFT REGISTRATION WILL PROVIDE THE REQUIRED INFORMATION. LAST NAME USUALLY APPEARS FIRST FOR PRIVATE OWNERS. . Blocks 1 & 2 Aircraft Information Registered Owner/s The Required information will be found On THE US Department of Transportation Federal Aviation Administration MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) Form Approved OMB No. 2120-0020 For FAA Use Only Office Identification INSTRUCTIONS: Print or type all entries. See FAR 43.9 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for instructions and disposition of this form. This report is required by law (49 U.S.C. 1421). Failure to report can result in a civil penalty not to exceed $1,000 for each such violation (Section 901 Federal Aviation Act of 1958). 1. Aircraft Make Serial No. Model Nationality and Registration Mark 2. Owner Name (As shown on registration certificate) Address (As shown on registration certificate) 3. For FAA Use Only 4. Unit Identification 5. Type Unit Make Model Serial No. Repair Alteration AIRFRAME ~~~~~~~~~~ (As described in Item 1 above) ~~~~~~~~~~ POW ERPLANT 1 2 CESSNA 170 18454 N4122V FARKLE, FRED B. 597 4th street Rooster town, CA. 12345 On THE CURRENT Aircraft Registration Certificate PROPELLER APPLIANCE Type Manufacturer 6. Conformity Statement A. Agency’s Name and Address B. Kind of Agency C. Certificate No. U.S. Certified Mechanic Foreign Certified Mechanic Certificated Repair Station Manufacturer D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. Date Signature of Authorized Individual 7. Approval for Return to Service Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is APPROVED REJECTED BY FAA Flt. Standards Inspector FAA Designee Manufacturer Repair Station Inspection Authorization Person Approved by Transport Canada Airworthiness Group Other (Specify) Date of Approval or Rejection Certificate or Designation No. Signature of Authorized Individual FAA Form 337 (12-88) UNITED STATES OF AMERICA DEPARTMENT OF TRANSPORTATION - FEDERAL AVIATION ADMINISTRATION CERTIFICATE OF AIRCRAFT REGISTRATION This Certificate must be in the air- craft when operated. NATIONALITY AND REGISTRATION MARKS N 4122V AIRCRAFT SERIAL NO. 18454 MANUFACTURER AND MANUFACTURER’S DESIGNATION OF AIRCRAFT CESSNA 170 I S S This certificate is issued for registra- tion purposes only and is not a cerrtif- FARKLE, FRED B. 597 4TH STREET S U E D T O INDIVIDUAL Administrator DATE OF ISSUE APRIL 03, 1978 and is not a cerrtif- icate of title. The Federal Avia- tion Administration does not determine rights of ownership as between private persons. It is certified that the above described aircraft has been entered on the register of the Federal Aviation Administration, United States of America, in accordance with the convention on International Civil Aviation dated December 7, 1944, and with the Federal Aviation Act of 1958, and regulations issued thereunder. Foghorn Leghorn 597 4TH STREET ROOSTER TOWN, CA 12345 AC Form 8050-3 (5- 77) . BLOCK 3 FAA USE ONLY WHEN FIELD APPROVAL IS REQUIRED US Department of Transportation Federal Aviation Administration MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) Form Approved OMB No. 2120-0020 For FAA Use Only Office Identification INSTRUCTIONS: Print or type all entries. See FAR 43.9 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for instructions and
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disposition of this form. This report is required by law (49 U.S.C. 1421). Failure to report can result in a civil penalty not to exceed $1,000 for each such violation (Section 901 Federal Aviation Act of 1958). 1. Aircraft Make Serial No. Model Nationality and Registration Mark 2. Owner Name (As shown on registration certificate) Address (As shown on registration certificate) 3. For FAA Use Only 4. Unit Identification 5. Type Unit Make Model Serial No. Repair Alteration AIRFRAME ~~~~~~~~~~ (As described in Item 1 above) ~~~~~~~~~~ POW ERPLANT 3 FAA Stamp Here PROPELLER APPLIANCE Type Manufacturer 6. Conformity Statement A. Agency’s Name and Address B. Kind of Agency C. Certificate No. U.S. Certified Mechanic Foreign Certified Mechanic Certificated Repair Station Manufacturer D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. Date Signature of Authorized Individual 7. Approval for Return to Service Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is APPROVED REJECTED BY FAA Flt. Standards Inspector FAA Designee Manufacturer Repair Station Inspection Authorization Person Approved by Transport Canada Airworthiness Group Other (Specify) Date of Approval or Rejection Certificate or Designation No. Signature of Authorized Individual FAA Form 337 (12-88) QUESTION # 1 How many different types of Field approvals are there ? One hundred ? Two hundred ? Only Three ? 13 Only Three ? Forty ? I don't Know 3 QUESTION # 1 How many different types of Field approval are there ? 14 There are 3 Types of field approvals. 3. For FAA Use Only The Data herein complies with applicable airworthiness requirements and is approved only for the above described aircraft, subject to conformity inspection by a person authorized in FAR 43.7 #1 Approval by Examination of Data Only - One Aircraft Only: 04/22/98 Joe B. Cool Joe B. Cool Joe B. Cool Joe B. Cool Date Signature SAC-FSDO of FAA Inspector 3. For FAA Use Only The Alteration (or repair) identified herein complies with applicable airworthiness requirements and is approved only for the above described aircraft, subject to conformity inspection by a person authorized in FAR 43.7 04/22/98 Joe B. Cool Joe B. Cool Joe B. Cool Joe B. Cool #2 Approval by physical Inspection Demonstration, Testing, etc..., 04/22/98 Joe B. Cool Joe B. Cool Joe B. Cool Joe B. Cool Date Signature SAC-FSDO of FAA Inspector of The Data and Aircraft - One Aircraft Only: 3. For FAA Use Only The Alteration identified herein complies with applicable airworthiness requirements and is approved for duplication on identical aircraft, make, model, and altered configuration by the original modifier. #3 Approval by Examination of Data Only 04/22/98 Joe B. Cool Joe B. Cool Joe B. Cool Joe B. Cool Date Signature SAC-FSDO of FAA Inspector Duplication on Identical Aircraft Multiple Field Approval US Department of Transportation Federal Aviation Administration MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) Form Approved OMB No. 2120-0020 For FAA Use Only Office Identification INSTRUCTIONS: Print or type all entries. See FAR 43.9 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for instructions and disposition of this form. This report is required by law (49 U.S.C. 1421). Failure to report can result in a civil penalty not to exceed $1,000 for each such violation (Section 901 Federal Aviation Act of 1958). 1. Aircraft Make Serial No. Model Nationality and Registration Mark 2. Owner Name (As shown on registration certificate) Address (As shown on registration certificate) 3. For FAA Use Only 4. Unit Identification 5. Type Unit Make Model Serial No. Repair Alteration AIRFRAME ~~~~~~~~~~ (As described in Item 1 above) ~~~~~~~~~~ POW ERPLANT EXAMPLE Installation of a different model Engine or Prop on 4 Block 4 Unit Identification PROPELLER APPLIANCE Type Manufacturer 6. Conformity Statement A. Agency’s Name and Address B. Kind of Agency C. Certificate No. U.S. Certified Mechanic Foreign Certified Mechanic Certificated Repair Station Manufacturer D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. Date Signature of Authorized Individual 7. Approval for Return to Service Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is APPROVED REJECTED BY FAA Flt. Standards Inspector FAA Designee Manufacturer Repair Station Inspection Authorization Person Approved by Transport Canada Airworthiness Group Other (Specify) Date of Approval or Rejection Certificate or Designation No. Signature of Authorized Individual FAA Form 337 (12-88) Engine or Prop on an aircraft would be an Airframe Alteration Reference the block for the unit being repaired or altered BLOCK 4 STC NUMBER WILL REFERENCE THE UNIT BEING ALTERED EXAMPLE 19 EXAMPLE STC. SA1234SW (AIRFRAME STC) STC. SE1234NM (ENGINE STC) STC. SP1234AL (PROPELLER STC) A. Websters Dictionary B. The Bible C. FAR 43 Appendix A Question #2 Major Repairs and Alterations are defined in - - - 20 C. FAR 43 Appendix A D. FAR 43.13 E. I'm not sure C Question #2 Major Repairs and Alterations are defined in - - - 21 C. FAR 43 Appendix A C MAJOR REPAIRS AND ALTERATIONS ARE DEFINED IN FAR PART 43 APPENDIX A. PAR (a) MAJOR ALTERATIONS 22 PAR (a) MAJOR ALTERATIONS PAR (b) MAJOR REPAIRS US Department of Transportation Federal Aviation Administration MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) Form Approved OMB No. 2120-0020 For FAA Use Only Office Identification INSTRUCTIONS: Print or type all entries. See FAR 43.9 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for instructions and disposition of this form. This report is required by law (49 U.S.C. 1421). Failure to report can result in a civil penalty not to exceed $1,000 for each such violation (Section 901 Federal Aviation Act of 1958). 1. Aircraft Make Serial No. Model Nationality and Registration Mark 2. Owner Name (As shown on registration certificate) Address (As shown on registration certificate) 3. For FAA Use Only 4. Unit Identification 5. Type Unit Make Model Serial No. Repair Alteration AIRFRAME ~~~~~~~~~~ (As described in Item 1 above) ~~~~~~~~~~ POW ERPLANT Repair and Alteration blocks may both be checked if the unit 5 BLOCK 5 USED FOR MAJOR REPAIR, ALTERATION OR BOTH PROPELLER APPLIANCE Type Manufacturer 6. Conformity Statement A. Agency’s Name and Address B. Kind of Agency C. Certificate No. U.S. Certified Mechanic Foreign Certified Mechanic Certificated Repair Station Manufacturer D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. Date Signature of Authorized Individual 7. Approval for Return to Service Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is APPROVED REJECTED BY FAA Flt. Standards Inspector FAA Designee Manufacturer Repair Station Inspection Authorization Person Approved by Transport Canada Airworthiness Group Other (Specify) Date of Approval or Rejection Certificate or Designation No. Signature of Authorized Individual FAA Form 337 (12-88) checked if the unit being repaired is also altered at the same time, by STC, or Field Approval Example Piper J3 wing was repaired and recovered with Stits Poly Fiber per an STC Agency's Name and address, Mechanics name and permanent mailing US Department of Transportation Federal Aviation Administration MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) Form Approved OMB No. 2120-0020 For FAA Use Only Office Identification INSTRUCTIONS: Print or type all entries. See FAR 43.9 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for instructions and disposition of this form. This report is required by law (49 U.S.C. 1421). Failure to report can result in a civil penalty not to exceed $1,000 for each such violation (Section 901 Federal Aviation Act of 1958). 1. Aircraft Make Serial No. Model Nationality and Registration Mark 2. Owner Name (As shown on registration certificate) Address (As shown on registration certificate) 3. For FAA Use Only 4. Unit Identification 5. Type Unit Make Model Serial No. Repair Alteration AIRFRAME ~~~~~~~~~~ (As described in Item 1 above) ~~~~~~~~~~ POW ERPLANT Block 6 Conformity Statement A permanent mailing address MANUFACTURER'S AND REPAIR STATIONS NAME AND ADDRESS UNDER WHICH BUSINESS IS DONE PROPELLER APPLIANCE Type Manufacturer 6. Conformity Statement A. Agency’s Name and Address B. Kind of Agency C. Certificate No. U.S. Certified Mechanic Foreign Certified Mechanic Certificated Repair Station Manufacturer D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. Date Signature of Authorized Individual 7. Approval for Return to Service Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is APPROVED REJECTED BY FAA Flt. Standards Inspector FAA Designee Manufacturer Repair Station Inspection Authorization Person Approved by Transport Canada Airworthiness Group Other (Specify) Date of Approval or Rejection Certificate or Designation No. Signature of Authorized Individual FAA Form 337 (12-88) 6 A ART FARKLE 594 SIXTH AVE. ANYTOWN, USA 12345 A&P 12345678 MAY 16,1998 Art Farkle ART FARKLE B Kind of Agency, CHECK THE APPROPRIATE BOX US Department of Transportation Federal Aviation Administration MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) Form Approved OMB No. 2120-0020 For FAA Use Only Office Identification INSTRUCTIONS: Print or type all entries. See FAR 43.9 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for instructions and disposition of this form. This report is required by law (49 U.S.C. 1421). Failure to report can result in a civil penalty not to exceed $1,000 for each such violation (Section 901 Federal Aviation Act of 1958). 1. Aircraft Make Serial No. Model Nationality and Registration Mark 2. Owner Name (As shown on registration certificate) Address (As shown on registration certificate) 3. For FAA Use Only 4. Unit Identification 5. Type Unit Make Model Serial No. Repair Alteration AIRFRAME ~~~~~~~~~~ (As described in Item 1 above) ~~~~~~~~~~ POW ERPLANT Block 6 Conformity Statement B APPROPRIATE BOX TO INDICATE CERTIFICATED MECHANIC OR TYPE ORGANIZATION THAT PERFORMED THE WORK, SUCH AS REPAIR STATION PROPELLER APPLIANCE Type Manufacturer 6. Conformity Statement A. Agency’s Name and Address B. Kind of Agency C. Certificate No. U.S. Certified Mechanic Foreign Certified Mechanic Certificated Repair Station Manufacturer D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. Date Signature of Authorized Individual 7. Approval for Return to Service Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is APPROVED REJECTED BY FAA Flt. Standards Inspector FAA Designee Manufacturer Repair Station Inspection Authorization Person Approved by Transport Canada Airworthiness Group Other (Specify) Date of Approval or Rejection Certificate or Designation No. Signature of Authorized Individual FAA Form 337 (12-88) 6 B Art Farkle someplace, USA 12345 A&P 123456789 C Certificate Number & ratings held MECHANICS - CERTIFICATE NUMBER REPAIR STATION - AIR US Department of Transportation Federal Aviation Administration MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) Form Approved OMB No. 2120-0020 For FAA Use Only Office Identification INSTRUCTIONS: Print or type all entries. See FAR 43.9 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for instructions and disposition of this form. This report is required by law (49 U.S.C. 1421). Failure to report can result in a civil penalty not to exceed $1,000 for each such violation (Section 901 Federal Aviation Act of 1958). 1. Aircraft Make Serial No. Model Nationality and Registration Mark 2. Owner Name (As shown on registration certificate) Address (As shown on registration certificate) 3. For FAA Use Only 4. Unit Identification 5. Type Unit Make Model Serial No. Repair Alteration AIRFRAME ~~~~~~~~~~ (As described in Item 1 above) ~~~~~~~~~~ POW ERPLANT Block 6 Conformity Statement C AGENCY CERTIFICATE NUMBER AND RATING(S) MANUFACTURERS - TYPE PRODUCTION OR STC NUMBER MANUFACTURERS OF TSO APPLIANCES SHOULD ENTER TSO NUMBER OF THE APPLIANCE ALTERED PROPELLER APPLIANCE Type Manufacturer 6. Conformity Statement A. Agency’s Name and Address B. Kind of Agency C. Certificate No. U.S. Certified Mechanic Foreign Certified Mechanic Certificated Repair Station Manufacturer D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. Date Signature of Authorized Individual 7. Approval for Return to Service Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is APPROVED REJECTED BY FAA Flt. Standards Inspector FAA Designee Manufacturer Repair Station Inspection Authorization Person Approved by Transport Canada Airworthiness Group Other (Specify) Date of Approval or Rejection Certificate or Designation No. Signature of Authorized Individual FAA Form 337 (12-88) 6 C A&P 123456789 Art Farkle address D THIS SPACE IS USED TO CERTIFY THAT THE REPAIR OR ALTERATION WAS MADE IN ACCORDANCE WITH US Department of Transportation Federal Aviation Administration MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) Form Approved OMB No. 2120-0020 For FAA Use Only Office Identification INSTRUCTIONS: Print or type all entries. See FAR 43.9 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for instructions and disposition of this form. This report is required by law (49 U.S.C. 1421). Failure to report can result in a civil penalty not to exceed $1,000 for each such violation (Section 901 Federal Aviation Act of 1958). 1. Aircraft Make Serial No. Model Nationality and Registration Mark 2. Owner Name (As shown on registration certificate) Address (As shown on registration certificate) 3. For FAA Use Only 4. Unit Identification 5. Type Unit Make Model Serial No. Repair Alteration AIRFRAME ~~~~~~~~~~ (As described in Item 1 above) ~~~~~~~~~~ POW ERPLANT Block 6 Conformity Statement D ACCORDANCE WITH THE FARS CERTIFICATED ENTITY: ENTER DATE WORK COMPLETED AND SIGNATURE & Print Your Name REPAIR STATIONS : MAY AUTHORIZE PERSONS IN THEIR EMPLOY TO DATE AND SIGN THE CONFORMITY STATEMENT PROPELLER APPLIANCE Type Manufacturer 6. Conformity Statement A. Agency’s Name and Address B. Kind of Agency C. Certificate No. U.S. Certified Mechanic Foreign Certified Mechanic Certificated Repair Station Manufacturer D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. Date Signature of Authorized Individual 7. Approval for Return to Service Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is APPROVED REJECTED BY FAA Flt. Standards Inspector FAA Designee Manufacturer Repair Station Inspection Authorization Person Approved by Transport Canada Airworthiness Group Other (Specify) Date of Approval or Rejection Certificate or Designation No. Signature of Authorized Individual FAA Form 337 (12-88) 6 D MAY 16, 1998 Art Farkle Art Farkle Art Farkle Art Farkle Art Farkle Art Farkle address A&P 123456789 APPROVAL FOR RETURN TO SERVICE REMEMBER THE APPROVED AND REJECTED BOXES. CHECK APPROVING AUTHORITY Block 7 28 CHECK APPROVING AUTHORITY ENTER CERTIFICATE NUMBER AS IT APPEARS ON ENTITIES CERTIFICATE APPROVED OR REJECTED US Department of Transportation Federal Aviation Administration MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) Form Approved OMB No. 2120-0020 For FAA Use Only Office Identification INSTRUCTIONS: Print or type all entries. See FAR 43.9 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for instructions and disposition of this form. This report is required by law (49 U.S.C. 1421). Failure to report can result in a civil penalty not to exceed $1,000 for each such violation (Section 901 Federal Aviation Act of 1958). 1. Aircraft Make Serial No. Model Nationality and Registration Mark 2. Owner Name (As shown on registration certificate) Address (As shown on registration certificate) 3. For FAA Use Only 4. Unit Identification 5. Type Unit Make Model Serial No. Repair Alteration AIRFRAME ~~~~~~~~~~ (As described in Item 1 above) ~~~~~~~~~~ POW ERPLANT Block 7 Approval for Return to Service APPROVING AUTHORITY, IA, PROPELLER APPLIANCE Type Manufacturer 6. Conformity Statement A. Agency’s Name and Address B. Kind of Agency C. Certificate No. U.S. Certified Mechanic Foreign Certified Mechanic Certificated Repair Station Manufacturer D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. Date Signature of Authorized Individual 7. Approval for Return to Service Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is APPROVED REJECTED BY FAA Flt. Standards Inspector FAA Designee Manufacturer Repair Station Inspection Authorization Person Approved by Transport Canada Airworthiness Group Other (Specify) Date of Approval or Rejection Certificate or Designation No. Signature of Authorized Individual FAA Form 337 (12-88) 7 MAY 16,1998 IA 123456789 Foghorn Leghorn Foghorn Leghorn AUTHORITY, IA, REPAIR STATION, OR WHATEVER DATE, CERTIFICATE NUMBER, AND SIGNATURE OF AUTHORIZED INDIVIDUAL .337.DOC NOTICE 8. Description of Work Accomplished (If more space is required, attach additional sheets. Identify with nationality and registration mark and date work completed.) Weight and Ballance or operating limitation changes shall be entered in the appropriate aircraft record. An alteration must be compatible with all previous alterations to assure continued conformity with the applicable airworthiness requirements. CONCISE, AND LEGIBLE STATEMENT DESCRIBING THE WORK ACCOMPLISHED. DESCRIPTION OF THE REPAIR OR ALTERATION, RELATIVE TO THE 1. 2. Additional Sheets Are Attached ALTERATION, RELATIVE TO THE AIRCRAFT OR COMPONENT. IDENTIFY AND DESCRIBE THE APPROVED DATA USED AS THE BASIS FOR APPROVING THE MAJOR REPAIR OR ALTERATION FOR RETURN TO SERVICE. 2. 3. STC, FIELD APPROVAL, SERVICE MANUAL, AC 43.13-1B etc. ICA? AC 43.13-1B ARE YOU 31 ARE YOU USING IT? BLOCK 8 INFORMATION IF ADDITIONAL SHEETS ARE ATTACHED IDENTIFY THEM WITH; AIRCRAFT REGISTRATION `N` NUMBER 32 AIRCRAFT REGISTRATION `N` NUMBER Date Work Completed Aircraft Total Time (Recommended) DIAGRAMS AND DRAWINGS MAY BE INCLUDED IF REQUIRED TO ADEQUATELY EXPLAIN LOCATION AND DETAILS OF THE REPAIR OR 33 DETAILS OF THE REPAIR OR ALTERATION REMEMBER TO CHECK THE BOX on Bottom OF BLOCK 8 IF ADDITIONAL SHEETS ARE ATTACHED REMEMBER !! The description should be in sufficient detail to permit a person unfamiliar with the work to understand what was done, 34 the work to understand what was done, and the methods and procedures used in doing it. ENGINES, PROPELLERS, DISPOSITION OF 337 AFTER REPAIR OR ALTERATION OF COMPONENTS NOT CURRENTLY INSTALLED ON AIRCRAFT 35 ENGINES, PROPELLERS, SPARE PARTS, OR COMPONENTS COMPLETE APPROVAL PORTION IN DUPLICATE, LEAVING BLOCKS 1 US Department of Transportation Federal Aviation Administration MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) Form Approved OMB No. 2120-0020 For FAA Use Only Office Identification INSTRUCTIONS: Print or type all entries. See FAR 43.9 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for instructions and disposition of this form. This report is required by law (49 U.S.C. 1421). Failure to report can result in a civil penalty not to exceed $1,000 for each such violation (Section 901 Federal Aviation Act of 1958). 1. Aircraft Make Serial No. Model Nationality and Registration Mark 2. Owner Name (As shown on registration certificate) Address (As shown on registration certificate) 3. For FAA Use Only 4. Unit Identification 5. Type Unit Make Model Serial No. Repair Alteration AIRFRAME ~~~~~~~~~~ (As described in Item 1 above) ~~~~~~~~~~ POW ERPLANT 1 2 REPAIR AND ALTERATION OF COMPONENTS/ ENGINE, PROPS, etc.. LEAVING BLOCKS 1 & 2 BLANK -------- PROPELLER APPLIANCE Type Manufacturer 6. Conformity Statement A. Agency’s Name and Address B. Kind of Agency C. Certificate No. U.S. Certified Mechanic Foreign Certified Mechanic Certificated Repair Station Manufacturer D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. Date Signature of Authorized Individual 7. Approval for Return to Service Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is APPROVED REJECTED BY FAA Flt. Standards Inspector FAA Designee Manufacturer Repair Station Inspection Authorization Person Approved by Transport Canada Airworthiness Group Other (Specify) Date of Approval or Rejection Certificate or Designation No. Signature of Authorized Individual FAA Form 337 (12-88) ESCORT NARCO 110 765432A X RADIO FIXERS INC.. ANYTOWN,USA. 12345 X RFI321R RADIO CLASS 1 MAY 16,1998 Foghorn Leghorn Foghorn Leghorn x x May 17,1998 RFI123R Bull Durham Bull Durham ATTACH 2 COPIES TO PART OR COMPONENT UNTIL IT IS INSTALLED ON AN AIRCRAFT REQUIREMENTS OF INSTALLER COMPLETE BLOCKS 1 & 2 OF BOTH ORIGINALS. (See Aircraft Registration) MAKE AN ENTRY IN THE AIRCRAFT RECORDS MAKING REFERENCE TO 37 RECORDS MAKING REFERENCE TO THE FAA FORM 337 GIVE SIGNED ORIGINAL 337 TO THE OWNER AND FORWARD A COPY TO THE FAA FSDO IN THE AREA WHERE THE INSTALLER IS OPERATING REMEMBER TO COMPLETE LOG BOOK ENTRY and FAA FORM 337 LOG BOOK ENTRY IS REQUIRED WITH 337 337 is to provide aircraft owners and operators with a record of major repairs or alterations indicating details and approval. 38 and approval. To provide permanent record for FAA in Oklahoma City Copy may be retrieved at a later date for a small fee DISPOSITION AFTER COMPLETION 1 SIGNED ORIGINAL TO OWNER/OPERATOR 1 COPY TO FAA FSDO WITHIN 48 39 1 COPY TO FAA FSDO WITHIN 48 HOURS EXTENDED RANGE FUEL TANKS INSTALLED IN PASSENGER OR BAGGAGE COMPARTMENT FAA FORM 337 AT LEAST IN TRIPLICATE. 1 SIGNED ORIGINAL TO THE OWNER 1 COPY ABOARD THE AIRCRAFT, (FAR 40 1 COPY ABOARD THE AIRCRAFT, (FAR 91.417) 1 COPY TO FAA APPROVED DATA 41 APPROVED DATA APPROVED DATA TC DATA SHEETS AIRCRAFT SPECS STC’s MANUFACTURER’S APPROVED DATA (DOA) DER APPROVAL, 42 STC’s AD’s APPLIANCE MANUFACTURER’S MANUALS (excluding installation instructions) DER APPROVAL, FAA FORM 8110-3 DAS APPROVED DATA AC43.13-1B: (Aircraft Inspection and Repair section), may be used directly as approved data without AC 65-19G APPROVED DATA CONTINUED 43 directly as approved data without further approval ONLY when there is no manufacturer repair or maintenance instructions that address the repair and the user has determined that it is:…. APPROPRIATE TO THE PRODUCT BEING REPAIRED ; i.e.. (aircraft) Piper J3C-65 etc. DIRECTLY APPLICABLE TO THE REPAIR BEING MADE NOT CONTRARY TO MANUFACTURERS NOT CONTRARY TO MANUFACTURERS DATA APPROVAL APPLIES ONLY TO REPAIRS, NOT Alterations ACCEPTABLE DATA 45 ACCEPTABLE DATA ACCEPTABLE DATA INSTALLATION INSTRUCTIONS MAINTENANCE MANUALS ADVISORY CIRCULARS 46 ADVISORY CIRCULARS SERVICE BULLETINS SERVICE INSTRUCTIONS SERVICE LETTERS WHAT IS A MAJOR ALTERATION ? WHAT IS A MAJOR ALTERATION ? How and When do I Apply for a Field Approval ? FAR Part I, “MAJOR ALTERATION” (DEFINITION) “Major Alteration” means an “Major Alteration” means an alteration not listed in the aircraft, aircraft engine, or propeller specifications - “Major Alteration” cont. 1. That might appreciably affect weight, balance, structural strength, performance, 49 strength, performance, Powerplant operation, flight characteristics, or other qualities affecting airworthiness; or “Major Alteration” cont. 2. That is not done according to accepted practices or cannot be 50 practices or cannot be done by elementary operations. “Major Alteration” cont. Major alterations are to be recorded on FAA form 337. (FAR 43 Appendix B) Give the signed original of that form to 51 Give the signed original of that form to the aircraft owner. Forward a copy of that form to the local FSDO within 48 HOURS after the approval for return to service. Don't forget the Log Book Entry Field Approval What is it ? How do I apply for a Field Approval ? 52 What is a field Approval ? (7) Field approval: An approval by an authorized Airworthiness Aviation Safety Inspector (ASI) of a major repair or major alteration that is accomplished by one or more of the following, as 53 accomplished by one or more of the following, as appropriate: * Examination of data only - one aircraft · Physical inspection, demonstration, testing, etc. - one aircraft · Examination of data only - duplication on identical aircraft What is Needed (8) Data: Information that supports and/or describes the alteration or repair,-including the following: FAA Order 8300.10 54 Drawings, sketches, and/or photographs Stress analysis Service Bulletins Engineering Orders Operating limitations to substantiate major repairs/major alterations, derived from the following: • Type Certificate Data Sheets • ·Supplemental Type Certificate (STC) data, provided that it specifically applies to the item being repaired/altered & Airworthiness Directives (AD) 55 repaired/altered & Airworthiness Directives (AD) • Airframe, engine, and propeller manufacturer's "FAA- approved" maintenance manuals or instructions • Appliance manufacturer's manuals or instruction, unless specifically not approved by the Administrator or resulting, in an alteration to the airframe, engine, and/or propeller Approved data cont. • FAA Form 337, Major Repair or Alteration, when the specified data has been previously approved and will be used as a basis for a 56 approved and will be used as a basis for a field approval • · CAA Form 337, dated prior to 10/l/55 • * FAA Form 337, used to approve multiple usage only, by the original modifier Apply for Field Approval FAA ORDER 8300.10 Chapter 1, section 1. Perform Field Approval of Major Repairs and Major Alterations LAACO & AWP-200 WORKING AGREEMENT GUIDANCE FOR FIELD APPROVALS 57 REMEMBER ! FIELD APPROVALS ARE NORMALLY USED FOR MAJOR ALTERATIONS REQUIRES THE SAME DATA AS AN STC NOT REQUIRING DETAILED ENGINEERING ANALYSIS NORMALLY FOR ONE PRODUCT ONLY; BY SERIAL NO…. 58 NO…. MAY REQUIRE ENGINEERING APPROVAL or ASSISTANCE WILL IT REQUIRE A FLIGHT MANUAL SUPPLEMENT ? WILL AIRCRAFT REQUIRE A FLIGHT TEST ? YOUR RESPONSIBILITIES CONTACT FSDO PRIOR TO INCORPORATING A MAJOR CHANGE COORDINATE WITH AIRCRAFT OWNER AND FAA DETERMINE IF ALL DATA IS APPROVED 59 SUBMIT YOUR PROPOSAL AND DATA TO FSDO FOR EVALUATION WAIT FOR APPROVAL BY ASI BEFORE CONTINUING YOU MAY NEED TO SUBMIT ADDITIONAL INFORMATION LAACO & AWP-200 LAACO & AWP-200 WORKING AGREEMENT WORKING AGREEMENT Guidance for Field Approvals of a Major Repair/Alteration 3.0 Field Approval Process Review Repair/Alteration Contact ACO for STC Field Approval Appropriate ? Project Engineer Assigned Branch Assign Work Review Data - Team Members * STC Guideline NO Multi Engineering Disciplines Applicant 3.1 FSDO 3.2 Focal Point 3.3.1 Project Engineer 3.3.2 ACO 3.3 A B D E J M N L All data approved? YES NO 1 Approval by Flight Test Branch Approve Repair/Alt. Data Accomplish Repair/Alt. Complete 337 Form - Team Members -DERs Prepare Findings - Memo/Fax Return Data and Findings File Correspondences * STC ACO Assistance Req’d ? Only AFM/RFM Supplement ? NO YES YES YES NO C F H I K N O P Q All Data Approved? NO YES G REMEMBER !! THE ASI MUST FOLLOW GUIDANCE OF FAA ORDER 8300.10 Change 10, Chapter 1 62 Change 10, Chapter 1 Aviation Safety Inspector guidance to perform Field Approval of Major Repairs and Major Alterations Contrary to popular belief, Inspectors do have limitations FSAW 98-03 FLIGHT STANDARDS AIRWORTHINESS BULLETIN • To ensure that Instructions for Continued Airworthiness are provided for Major Alterations Approved Under the Field Approval Process 63 Approved Under the Field Approval Process EFFECTIVE DATE: 01-30-98 • INSTRUCTIONS MUST BE INCLUDED ON FAA FORM 337 HBAW 98-18 FAA ORDER 8300.10 Flight Standards Handbook Bulletin For Airworthiness (HBAW) 64 Checklist for Instructions for Continued Airworthiness for Major Alterations Approved Under the Field Approval Process •EFFECTIVE DATE: 10-07-98 DATA IS IN YOUR HANDOUT HBAW 98-18 Checklist contains 16 items Instructions for Continued 65 Instructions for Continued Airworthiness for Major Alterations Approved Under the Field Approval Process Applicable Procedures must be attached to - FAA Form 337 Summary How to complete FAA form 337 APPROVED and ACCEPTABLE DATA MAJOR ALTERATIONS 66 MAJOR ALTERATIONS APPLYING FOR A FIELD APPROVAL YOUR Responsibilities NEW item… HBAW 98-18 ICA US. Department of Transportation Federal Aviation Federal Aviation Federal Aviation Federal Aviation Administration Administration
What's in the Cessna 170 TCDS
A Type Certificate Data Sheet (TCDS) is the FAA's record of what an aircraft type was approved as. It is the source of truth for weights, seating, fuel and the rules the design was certified against. Expand any line to see what it means.
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