TITLE FLIGHT CONTROLS - LOWER RUDDER HINGE HARDWARE INSPECTION EFFECTIVITY MODEL SERIAL NUMBERS 300 (LC40 550FG) 40001 thru 40079 350 (LC42 550FG) 42001 thru 42084, 42501 thru 42569, 421001 thru 421020 400 (LC41 550FG) 41001 thru 41108, 41501 thru 41533, 41563 thru 41800, 411001 thru 411161 REASON This bulletin adds rudder retention hardware. Non-compliance with this bulletin could result in loss of the rudder if the rudder bearing separates from the mounting structure. DESCRIPTION This service bulletin provides parts and instructions to remove the NAS1149F0463P Washer that is installed on the lower rudder hinge bolt and install an MS15795-853 Washer. COMPLIANCE MANDATORY. This service bulletin must be accomplished at the next scheduled inspection or within 50 hours of operation, whichever occurs first. APPROVAL Cessna received FAA approval for the technical data in this publication that changes the airplane type design. Cessna received EASA approval for the technical data in this publication that changes the airplane type design. WEIGHT AND BALANCE INFORMATION Negligible REFERENCES Model 300 Airplane Maintenance Manual Model 350 Airplane Maintenance Manual Model 400 Airplane Maintenance Manual NOTE: Make sure all publications used are complete and current. Refer to cessnasupport.com. NOTE: This information must be considered an amendment to the Cessna Manufacturer's Service/Maintenance Manual or Instructions for Continued Airworthiness and must be accomplished for ongoing airworthiness compliance as necessary in accordance with 14 CFR Part 43.13. May 16, 2013 Page1of4 Cessna Aircraft Company, Cessna Customer Service, P.O. Box 7706, Wichita, KS 67277, U.S.A. 1-316-517-5800, Fax 1-316-517-7271 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 2013
PUBLICATIONS AFFECTED Model 300 Illustrated Parts Catalog Model 350 Illustrated Parts Catalog Model 400 Illustrated Parts Catalog NOTE: Make sure all publications used are complete and current. Refer to cessnasupport.com. 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 the airplane batteries. (2) Disconnect external electrical power. D. Attach maintenance warning tags to the battery and external power receptacle that have "DO NOT CONNECT ELECTRICAL POWER - MAINTENANCE IN PROGRESS" writtenonthem. 2. Push the rudder to either side. 3. (Refer to Figure 1, Detail A.) Remove the MS24665-151 Cotter Pin and the AN310-4 Nut from the lower rudder hinge. Keep the nut and discard the cotter pin. (Refer to the applicable maintenance manual, Chapter 27, Rudder Control System - Maintenance Practices.) 4. Remove and discard the NAS1149F0463P Washer and replace it with an MS15795-853 Washer. (Refer to the applicable maintenance manual, Chapter 27, Rudder Control System - Maintenance Practices.) 5. Install the kept AN310-4 Nut and a new MS24665-151 Cotter Pin. (Refer to the applicable maintenance manual, Chapter 27, Rudder Control System - Maintenance Practices.) 6. Remove maintenance warning tags from the batteries and the external power receptacle and connect the battery. 7. Make an entry in the airplane logbook that states compliance and method of compliance with this service bulletin. NOTE: This information must be considered an amendment to the Cessna Manufacturer's Service/Maintenance Manual or Instructions for Continued Airworthiness and must be accomplished for ongoing airworthiness compliance as necessary in accordance with 14 CFR Part 43.13. Page 2 May 16, 2013
Figure 1. Lower Rudder Hinge Attachment (Sheet 1) May 16, 2013 Page 3
MATERIAL INFORMATION NEW P/N QUAN- TITY KEY WORD OLD P/N INSTRUC- TIONS/ DIS- POSITION MS15795-853 1 Washer NAS1149F0463P Discard MS24665-151 1 Cotter Pin Same Discard Page 4 May 16, 2013
OWNER ADVISORY TITLE FLIGHT CONTROLS - LOWER RUDDER HINGE HARDWARE INSPECTION TO: Cessna Corvalis Owner REASON This owner advisory has been issued to inform you of. adds rudder retention hardware. Non-compliance with could result in loss of the rudder if the rudder bearing separates from the mounting structure. DESCRIPTION provides parts and instructions to remove the NAS1149F0463P Washer that is installed on the lower rudder hinge bolt and install an MS15795-853 Washer. COMPLIANCE MANDATORY. This service bulletin must be accomplished at the next scheduled inspection or within 50 hours of operation, whichever occurs first. LABOR HOURS 0.8 man-hour to accomplish this service bulletin WARRANTY For airplanes in warranty and identified within the serial effectivity: A miscellaneous parts credit of $0.30 and a labor allowance credit of 0.8 man-hour per airplane will be provided to accomplish this service bulletin. To receive credit, the work must be completed and a warranty claim submitted by a Cessna Authorized Service Facility within 30 calendar days of service bulletin compliance before the credit expiration dates shown below. Domestic...May 16, 2014 International...May 16, 2014 Please contact a Cessna Single Authorized Service Facility for detailed information and arrange to have Cessna Service Bulletin accomplished on your airplane. 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 Support Login" link at www.cessna.com to register. May 16, 2013 Page1of1 Cessna Aircraft Company, Cessna Customer Service, P.O. Box 7706, Wichita, KS 67277, U.S.A. 1-316-517-5800, Fax 1-316-517-7271 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 2013