Caravan SERVICE BULLETIN CAB-33-02
Cessna 208 Caravan · Service Bulletins
Overview
This service bulletin, CAB-33-02, addresses the installation of LED navigation and anti-collision light assemblies on Cessna 208 and 208B aircraft. It outlines the transition from incandescent light assemblies, which are no longer available, to LED alternatives. The document provides detailed instructions and parts necessary for the replacement process, emphasizing that compliance is optional and at the discretion of the aircraft owner. The bulletin is intended for aircraft owners and maintenance personnel, ensuring they have the necessary information to perform the upgrade safely and effectively.
- This service bulletin is for Cessna 208 and 208B aircraft.
- It provides instructions for replacing incandescent navigation and anti-collision lights with LED assemblies.
- Compliance with the bulletin is optional and at the owner's discretion.
- Specific serial number ranges for affected aircraft are detailed in the document.
- A parts kit is required for the installation, including LED light assemblies and necessary hardware.
Document
Source
Originally published by www.mcfarlaneaviation.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Service Bulletins
- Year
- 2020
- Pages
- 14
- File size
- 738 KB
- Publisher
- www.mcfarlaneaviation.com
Common. Rarer than 14% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the Cessna 208 Caravan.
- 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
Effectivity
The service bulletin applies to various groups of Cessna 208 and 208B airplanes based on their serial numbers. Group A includes serial numbers 20800001 to 20800499 and 208B0001 to 208B1999. Group B covers serial numbers 20800500 to 20800523 and 208B2000 to 208B2220. Group C includes serial numbers 20800524 to 20800663 and 208B2221 to 208B4999.
Compliance
Compliance with this service bulletin is optional. Aircraft owners can choose to implement the modifications at their discretion. However, specific conditions must be met for the work to be recorded in the aircraft log, including the use of approved parts and adherence to maintenance practices.
Accomplishment Instructions
The bulletin provides step-by-step instructions for replacing the incandescent light assemblies with LED units. Key steps include preparing the airplane for maintenance, removing old light assemblies, modifying wiring, and installing new LED assemblies. Detailed references to the Cessna Model 208/208B Maintenance Manual are included for specific procedures.
Material Information
A kit is required for the installation, which includes various parts such as LED light assemblies, screws, nuts, and spacers. The document specifies part numbers and quantities needed for the installation, along with instructions for their use.
Safety Notes
The document emphasizes the importance of following standard maintenance practices and using only approved parts. It also states that Textron Aviation is not responsible for maintenance quality unless performed at a Textron Aviation-owned Service Center.
Safety notes
- Use only approved parts as specified in the service bulletin.
- Follow standard maintenance practices as recognized in the aviation industry.
- Textron Aviation is not liable for maintenance quality unless performed at their service centers.
Full document text
Caravan SERVICE BULLETIN CAB-33-02 TITLE LIGHTS - LED NAVIGATION AND ANTI-COLLISION LIGHT ASSEMBLIES INSTALLATION EFFECTIVITY Group A Airplanes MODEL SERIAL NUMBERS 208 20800001 thru 20800499 208B 208B0001 thru 208B1999 Group B Airplanes MODEL SERIAL NUMBERS 208 20800500 thru 20800523 208B 208B2000 thru 208B2220 Group C Airplanes MODEL SERIAL NUMBERS 208 20800524 thru 20800663 208B 208B2221 thru 208B4999 REASON The incandescent style navigation and anti-collision light assemblies are no longer available. LED style navigation anti-collision light assemblies are available as replacement. DESCRIPTION This service document provides parts and instructions necessary to replace the incandescent navigation and anti-collision light assemblies with LED light assemblies. COMPLIANCE OPTIONAL. This service bulletin can be accomplished at the discretion of the owner. A service document published by Textron Aviation may be recorded as completed in an aircraft log only when the following requirements are satisfied: 1) The mechanic must complete all of the instructions in the service document, including the intent therein. 2) The mechanic must correctly use and install all applicable parts supplied with the service document kit. Only with written authorization from Textron Aviation can substitute parts or rebuilt parts be used to replace new parts. 3) The mechanic or airplane owner must use the technical data in the service document only as approved and published. 4) The mechanic or airplane owner must apply the information in the service document only to aircraft serial numbers identified in the Effectivity section of the document. 5) The mechanic or airplane owner must use maintenance practices that are identified as acceptable standard practices in the aviation industry and governmental regulations. CAB-33-02 March 9, 2020 Page 1 of 12 Textron Aviation Customer Service, P.O. Box 7706, Wichita, KS 67277, U.S.A. 1-316-517-5800 This document contains technical data and is subject to U.S. export regulations. This information has been exported from the United States in accordance with export administration regulations. Diversion contrary to U.S. law is prohibited. ECCN: 9E991 COPYRIGHT © 2020 CAB-33-02 Page 2 March 9, 2020 Caravan SERVICE BULLETIN CAB-33-02 No individual or corporate organization other than Textron Aviation is authorized to make or apply any changes to a Textron Aviation-issued service document or flight manual supplement without prior written consent from Textron Aviation. Textron Aviation is not responsible for the quality of maintenance performed to comply with this document, unless the maintenance is accomplished at a Textron Aviation-owned Service Center. APPROVAL Textron Aviation received FAA approval for the technical data in this publication that changes the airplane type design. FLIGHT CREW OPERATIONS No Changes CONSUMABLE MATERIAL You must use the consumable materials that follow, or their equivalent, to complete this service document. NAME NUMBER MANUFACTURER USE Color Chemical Film Treatment 1445846 (Alodine 1132 Touch n Prep Pen) Textron Aviation Parts Distribution 7121 Southwest Boulevard Wichita, KS 67215 To apply protection to bare aluminum spacer. Sealant U470545 Type XIV, Class B (2.5 ounce Simkit) Textron Aviation Parts Distribution To seal the light assembly. AC-350 Type XIV, Class B Commercially Available To seal the light assembly. WS-8020RC Type XIV, Class B Commercially Available To seal the light assembly. Isopropyl Alcohol TT-I-735 Commercially Available Type I Cleaning Solvent for surface cleaning prior to protective coating. TOOLING No specialized tooling is required to complete this service document. WEIGHT AND BALANCE INFORMATION Negligible REFERENCES Cessna Model 208/208B Maintenance Manual Cessna Model 208/208B Wiring Diagram Manual PUBLICATIONS AFFECTED Cessna Model 208 Illustrated Parts Catalog. ACCOMPLISHMENT INSTRUCTIONS 1. Prepare the airplane for maintenance. A. Make sure that the airplane is electrically grounded. B. Make sure that all switches are in the OFF/NORM position. C. Disconnect electrical power from the airplane. (1) Disconnect external electrical power. (2) Disconnect the airplane battery. Caravan SERVICE BULLETIN CAB-33-02 D. Attach maintenance warning tags to the battery and external power receptacle that have "DO NOT CONNECT ELECTRICAL POWER - MAINTENANCE IN PROGRESS" written on them. 2. Remove the stinger. (Refer to the Model 208/208B Maintenance Manual, Chapter 53, Tail Stinger - Maintenance Practices.) 3. Remove and discard the stinger navigation light assembly. (Refer to the Model 208/208B Maintenance Manual, Chapter 33, Incandescent Navigation Lights - Maintenance Practices.) A. Bag and stow the stinger navigation light electrical connector (PT001 or J105). NOTE: The stinger navigation light position will not be used. The wing tip navigation and anti-collision light assemblies have an aft facing navigation light. 4. Install 2612115-3 Cover Plate with two S1021Z6-6 Screws and S3231-5 Nuts. 5. Install the stinger. (Refer to the Model 208/208B Maintenance Manual, Chapter 53, Tail Stinger - Maintenance Practices.) 6. Remove and discard the left and right navigation, anti-collision light assemblies. (Refer to the Model 208/208B Maintenance Manual, Chapter 33, Incandescent Navigation Lights - Maintenance Practices, and Incandescent Navigation and Anti-Collision Strobe Lights - Maintenance Practices.) 7. Group A Airplanes: (Refer to Figure 1, Sheet 1, and Sheet 2.) Complete the wing tip wiring modification as follows: A. (Refer to Figure 1, Sheet 1.) Depin the wires from the S1638-2 Connectors and discard connectors P110 (Right) and P111 (Left). B. Connect the wires that were depined to the new connectors supplied with the new NAV/Anti-Collision light assemblies. C. Install one S4111-2A Namplate marked PL012 on the wire assembly for the left Nav/Anti-Collision light assembly with two MS3367-1-9 Tie Straps.
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D. Install one S4111-2A Namplate marked PR012 on the wire assembly for the right Nav/Anti-Collision light assembly with two MS3367-1-9 Tie Straps. E. Go to Step 11. 8. Group B Airplanes: (Refer to Figure 2, Sheet 1, and Sheet 2.) Complete the wing tip wiring modification as follows: A. (Refer to Figure 2, Sheet 1.) Depin the wires from the S1638-2 Connectors and discard connectors PR003 (Right) and PL003 (Left). B. Connect the wires that were depinned to the new connectors supplied with the new NAV/Anti-Collision light assemblies. C. Install one S4111-2A Namplate marked PL012 on the wire assembly for the left Nav/Anti-Collision light assembly with two MS3367-1-9 Tie Straps. D. Install one S4111-2A Namplate marked PR012 on the wire assembly for the right Nav/Anti-Collision light assembly with two MS3367-1-9 Tie Straps. E. Go to Step 10. 9. Group C Airplanes: (Refer to Figure 3, Sheet 1, and Sheet 2.) Complete the wing tip wiring modification as follows: A. (Refer to Figure 3, Sheet 1.) Depin the wires from the S1638-2 Connectors and discard connectors PR003 (Right) and PL003 (Left). B. (Refer to Figure 3, Sheet 1.) Disconnect the shield ground from the depinned wires at PR003 (Right) and PL003 (Left). NOTE: The shield ground will not be connected to the new light assemblies. CAB-33-02 March 9, 2020 Page 3 CAB-33-02 Page 4 March 9, 2020 Caravan SERVICE BULLETIN CAB-33-02 C. (Refer to Figure 3, Sheet 2.) Install a TC4001 Cap on the end of the two disconnected shield grounds. D. Connect the wires that were depinned to the new connectors supplied with the new NAV/Anti-Collision light assemblies. E. Install one S4111-2A Namplate marked PL012 on the wire assembly for the left Nav/Anti-Collision light assembly with two MS3367-1-9 Tie Straps. F. Install one S4111-2A Namplate marked PR012 on the wire assembly for the right Nav/Anti-Collision light assembly with two MS3367-1-9 Tie Straps. G. Go to Step 10. 10. Group B and C Airplanes:(Refer to Figure 2 and Figure 3, Sheets 1 and Sheets 2.) Disconnect the stinger navigation light electrical wiring as follows: A. Remove the left front side panel located forward of the pilot-side circuit breaker panel. B. (Refer to Figure 2 and Figure 3, Sheets 1.) Locate and remove the D436-37 Splice and wire identified as 1PT001 from connector PC001 Pin 11 (wire 11PC001-10JI004). NOTE: Wire 1PT001 is the power wire for the tail navigation light. Wire 11PC001-10JI004 will be spliced together without wire 1PT001. C. (Refer to Figure 2 and Figure 3, Sheets 2.) Install a TC4001 Cap on the end of 1PT001 Wire. D. (Refer to Figure 2 and Figure 3, Sheets 2.) Connect 10JI004 to 11PC001 Wires with one D436-37 Splice. E. Install the left front side panel located forward of the pilot-side circuit breaker panel. F. Go to Step 11. 11. Do a modification of the 2628005 Spacers as follows: A. Make a 3/32 Inch deep flat countersink with a 11/32 Inch Spot Face, at each screw hole location, on the concave side of the 2628005-3 and 2628005-4 Spacers. NOTE: The flat countersink will provide clearance of fasteners and allow the spacer to lay flat against the wing tip. The concave side of the spacer will face inboard toward the wing tip. B. Use a clean cloth wet with isopropyl alcohol to clean the surface. C. Let the parts dry. D. Apply Color Chemical Film Treatment to the bare aluminum surface. 12. Remove and clean the wing tip surfaces of any residual gasket, sealant, dirt, or grime. 13. Install the left and right NAV/Anti-Collision light assemblies. (Refer to Model 208/208B Maintenance Manual, Chapter 33, LED NAV/Anti Collision Lights - Removal/Installation.) NOTE: The 01-0790613-92 is for the left wing and the 01-0790613-91 is for the right wing. NOTE: When installing the spacer, the concave side with the countersink will go inboard toward the wing tip. A. Remove the maintenance warning tags and connect the airplane battery. B. Do an operational test of the NAV/Anti-Collision light assemblies. (Refer to Model 208/208B Maintenance Manual, Chapter 33, LED Exterior Lighting - Adjustmetn/Test, NAV/Anti-Collision Light Operational Test.) Caravan SERVICE BULLETIN CAB-33-02 14. Make an entry in the airplane logbook that states compliance and method of compliance with this service document. NOTE: Textron Aviation recommends that compliance with all service documents is reported to a maintenance tracking system provider. • Complete a record of compliance. (Maintenance Transaction Report, Log Book Entry, or other record of compliance.) • Put a copy of the completed record of compliance in the airplane logbook. • Send a copy of the completed record of compliance to the maintenance tracking system provider used. CAB-33-02 March 9, 2020 Page 5 CAB-33-02 Page 6 March 9, 2020 Caravan SERVICE BULLETIN CAB-33-02 Figure 1. Group A Airplanes Wiring Modification (Sheet 1) Caravan SERVICE BULLETIN CAB-33-02 Figure 1. Group A Airplanes Wiring Modification (Sheet 2) CAB-33-02 March 9, 2020 Page 7 CAB-33-02 Page 8 March 9, 2020 Caravan SERVICE BULLETIN CAB-33-02 Figure 2. Group B Airplanes Wiring Modification (Sheet 1) Caravan SERVICE BULLETIN CAB-33-02 Figure 2. Group B Airplanes Wiring Modification (Sheet 2) CAB-33-02 March 9, 2020 Page 9 CAB-33-02 Page 10 March 9, 2020 Caravan SERVICE BULLETIN CAB-33-02 Figure 3. Group C Airplanes Wiring Modification (Sheet 1) Caravan SERVICE BULLETIN CAB-33-02 Figure 3. Group C Airplanes Wiring Modification (Sheet 2) CAB-33-02 March 9, 2020 Page 11 CAB-33-02 Page 12 March 9, 2020 Caravan SERVICE BULLETIN CAB-33-02 MATERIAL INFORMATION Order the kit below to install this modification. NEW P/N QUAN- TITY KEY WORD OLD P/N INSTRUCTIONS/ DISPOSITION CAB-33-02 1 Kit, consisting of the following parts: D436-37 1 Splice Same Discard old, Install New MS24693-S33 8 Screw MS24693S28 4 per side S1021Z6-6 2 Screw S1021Z6-10 Discard Old, Install New S2209-1 10 Tie Strap N/A Secure Wires and Nameplates S3231-5 2 Nut NAS488-3-3 Discard Old, Install New S4111-2A 1 Namplate marked PR012 N/A Install on Wiring for Right Light Assembly S4111-2A 1 Namplate marked PL012 N/A Install on Wiring for Left Light Assembly TC4001 3 End Cap N/A Cap Terminated Wires 01-0790613-91 1 LED NAV/Anti-Collision Light Assembly, Right C622010-0101 or S3100-527 Discard Old, Install New, Right Wing 01-0790613-92 1 LED NAV/Anti-Collision Light Assembly, Left C622010-0101 or S3100-526 Discard Old, Install New, Left Wing 2612115-3 1 Cover Plate C622000-XXX Discard Light Assembly, Install Cover Plate 2628005-3 1 Spacer, Left N/A Left side installation 2628005-4 1 Spacer, Right N/A Right side installation CAB-33-02 1 Instructions * Please contact Textron Aviation Parts Distribution for current cost and availability of parts listed in this service document. Phone at 1-800-835-4000 (Domestic) or 1-316-517-5603 (International). Send email to: parts@txtav.com. Caravan OWNER ADVISORY CAB-33-02 TITLE LIGHTS - LED NAVIGATION AND ANTI-COLLISION LIGHT ASSEMBLIES INSTALLATION TO: Cessna 208 and 208B Aircraft Owner REASON The incandescent style navigation and anti-collision light assemblies are no longer available. LED style navigation anti-collision light assemblies are available as replacement. COMPLIANCE OPTIONAL. This service bulletin can be accomplished at the discretion of the owner. LABOR HOURS As necessary. MATERIAL AVAILABILITY PART NUMBER AVAILABILITY COST CAB-33-02 * * * Please contact Textron Aviation Parts Distribution for current cost and availability of parts listed in this service document. Phone at 1-800-835-4000 (Domestic) or 1-316-517-5603 (International). Send email to: parts@txtav.com. Based on availability and lead times, parts may require advanced scheduling. WARRANTY None. NOTE: As a convenience, service documents are now available online to all our customers through a simple, free-of-charge registration process. If you would like to sign up, please visit the "Customer Access" link at www.txtavsupport.com to register. CAB-33-02 March 9, 2020 Page 1 of 1 Textron Aviation Customer Service, P.O. Box 7706, Wichita, KS 67277, U.S.A. 1-316-517-5800 This document contains technical data and is subject to U.S. export regulations. This information has been exported from the United States in accordance with export administration regulations. Diversion contrary to U.S. law is prohibited. ECCN: 9E991 COPYRIGHT © 2020