Airworthiness Directive
CESSNA P337 · Airworthiness Directives
Overview
This document is an Airworthiness Directive (AD) issued by the Federal Aviation Administration (FAA) concerning specific engine models manufactured by Teledyne Continental Motors. It primarily addresses compliance requirements for the IO-360, TSIO-360, and LTSIO-360 series engines, which are installed on various aircraft, including the Cessna 337 series. The directive mandates inspections and rework of certain engine components to prevent potential engine failures. Compliance is required prior to further flight unless previously accomplished. The document outlines specific actions to be taken, including retorquing and inspecting cylinder assemblies, and provides guidelines for alternative methods of compliance if necessary.
- Effective date of the AD is June 22, 1993.
- Rocker arm shaft hold down stud nut must be torqued to 110-120 inch pounds.
- Engines with specific cylinder assembly dates must be inspected and potentially reworked.
- Uninstalled cylinder assemblies with certain part numbers cannot be used unless inspected.
- Mark cylinder assemblies with a 'B' after compliance.
Document
Source
Originally published by www.dolmint.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Airworthiness Directives
- Year
- 1993
- Pages
- 3
- File size
- 50 KB
- Publisher
- www.dolmint.com
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Most owners only have the POH. Here's the essential set for the CESSNA P337.
- 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
Applicability
The AD applies to Teledyne Continental Motors IO-360, TSIO-360, and LTSIO-360 series engines, specifically identified by model and serial number in TCM Service Bulletin No. M92-4. It includes engines installed on Cessna 337, T337, P337 series, and several other aircraft models.
Compliance Requirements
Operators must comply with the AD before further flight. This includes retorquing the rocker arm shaft hold down stud nut to 110-120 inch pounds and inspecting cylinder assemblies as specified in TCM SB No. M92-4.
Inspection and Rework
Engines with cylinder assembly dates between June 1991 and December 1991 must be inspected and potentially reworked. Uninstalled cylinder assemblies with the specified dates and part numbers must not be placed in service unless inspected.
Marking Requirements
After completing the required actions, the cylinder assembly date on the cylinder head must be marked with a letter 'B' using a VIBRO-ETCH or similar device.
Alternative Methods of Compliance
Operators may propose alternative methods of compliance that provide an acceptable level of safety, subject to approval by the FAA's Atlanta Aircraft Certification Office.
Safety notes
- Failure to comply with this AD may result in engine failure.
- Inspection and rework are critical to ensure safety and compliance.
Full document text
RGL Home Airworthiness Directive Federal Register Information Header Information DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 Docket No. 93-ANE-24; Amendment 39-8585; AD 92-04-09 TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines PDF Copy (If Available): Preamble Information AGENCY: Federal Aviation Administration, DOT DATES: Effective June 22, 1993. Regulatory Information 92-04-09 TELEDYNE CONTINENTAL MOTORS: Amendment 39-8585. Docket 93- ANE-24. Applicability: Teledyne Continental Motors (TCM) IO-360 series, TSIO-360 series, and LTSIO-360 series reciprocating engines, identified by model and serial number in TCM Service Bulletin (SB) No. M92-4, Revision 1, dated February 5, 1992, and all other TCM IO-360 series, TSIO-360 series, LTSIO-360 series, and Rolls- Royce Motors Model TSIO-360 series reciprocating engines, installed on but not limited to Cessna 337, T337, and P337 series; Cessna 172XP; Mooney M20K; Piper PA34-200T, PA34-220T, PA28R-201T and PA28RT- 201T airplanes. Compliance: Required prior to further flight, unless accomplished previously. To prevent engine failure caused by failure of the rocker shaft hold down stud, TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, an... https://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/AOCA... 1 of 3 8/6/2020, 4:26 PM accomplish the following: (a) For engines that have the rocker arm shaft hold down stud nut torqued in accordance with TCM SB No. M92-4, dated January 10, 1992, and are in compliance with AD 92-02-20 or AD 92-02-20R1, retorque the rocker arm shaft hold down stud nut to 110-120 inch pounds in accordance with TCM SB M92-4, Revision 1, dated February 5, 1992. (b) For engines listed by model and serial number in TCM SB No. M92-4, Revision 1, dated February 5, 1992, inspect, and if necessary, rework cylinder assembly, in accordance with TCM SB No. M92-4, Revision 1, dated February 5, 1992. (c) For Rolls-Royce Motors engines and all other engines containing cylinder assemblies, with cylinder assembly dates between June 1991 through December 1991, and identified by TCM Part Numbers 646924, 649484, 652955, or 653098, and all "A" suffix numbers of these base part numbers, inspect, and if necessary, rework, in accordance with TCM SB No. M92-4, Revision 1, dated February 5, 1992. NOTE: Cylinder assembly dates are stamped on the cylinder head between the two rocker shaft pockets. (d) Uninstalled cylinder assemblies, with cylinder assembly dates between June 1991 and December 1991, and identified by TCM Part Numbers 646924, 649484, 652955, 653098, and all "A" suffix numbers of these base part numbers, shall not be placed in service unless inspected or reworked in accordance with TCM SB No. M92-4, Revision 1, dated February 5, 1992. (e) After accomplishment of the requirements of paragraphs (a), (b), (c), or (d) of this AD, as applicable, mark with VIBRO-ETCH or other similar device the letter "B" adjacent to the cylinder assembly date on the cylinder head between the two rocker shaft pockets. (f) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Atlanta Aircraft Certification Office. The request should be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Atlanta Aircraft Certification Office. NOTE: Information concerning the existence of approved alternative methods of compliance with this airworthiness directive, if any, may be obtained from the Atlanta Aircraft Certification Office. (g) The retorquing, inspections, and rework shall be done in accordance with the following service bulletin: Document No. Pages Revision Date TCM SB No. M92-4 1-2 1 February 5, 1992 Total pages: 2. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Teledyne Continental Motors, P.O. Box 90, Mobile, AL 36601. Copies may be inspected at the FAA, New England Region, Office of the Assistant Chief Counsel, 12 New England Executive Park, Burlington, MA; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (h) This amendment supersedes priority letter AD 92-02-20 R1, issued January 24, 1992. (i) This amendment becomes effective June 22, 1993, to all persons except those persons to whom it was made immediately effective by priority letter AD 92-04-09, issued February 18, 1992, which contained the requirements of this amendment. TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, an... https://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/AOCA... 2 of 3 8/6/2020, 4:26 PM Footer Information Comments FAA.gov Home | Privacy Policy | Web Policies & Notices | Contact Us | Help Readers & Viewers: PDF Reader | MS Word Viewer | MS PowerPoint Viewer | MS Excel Viewer | WinZip TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, an... https://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/AOCA... 3 of 3 8/6/2020, 4:26 PM