Cessna 172R

  Subject  - Diaphragm-Type Fuel Pump Replacement                   This SB is notification of a requirement to replace specific diaphragm-type fuel pumps identified herein as a corrective action in response to a confirmed non-conforming fuel pump in the field. Continued operation of a non-conforming fuel pump can cause fuel leakage out of the airframer’s vent line or into the engine crankcase.                   Each fuel pump has a 13-digit alphanumeric manufacturer’s code, which begins with two  letters. The alphanumeric characters in the manufacturer’s code and its location on the fuel pump will help identify the fuel pumps affected by this Service Bulletin. The first two characters in the example manufacturer’s code RC20150620703 in are RC. The next two numbers 20 identify the manufacturing week of the year as 20 and 15 is the year. The manufacturer’s code is on the fuel ...

TTP B1-L1 ATA25 Cessna 172 B2-L1 TITLE EQUIPMENT/FURNISHINGS -AMSAFE AIRPLANE FLIGHT MANUAL SUPPLEMENT EFECTIVITY  : MODEL 172R/172S/182/206 SERIAL NUMBERS 172R   - 17281588 thru 17281615   Watch Video for AMSAFE working                                                                            This service letter provides instructions to make sure that the AmSafe Supplement is attached to the airplane's Pilot's Operating Handbook and FAA Approved Airplane Flight Manual.         ACCOMPLISHMENT INSTRUCTIONS 1. Look at the Pilot's Operating Handbook (POH) and see if there is an E508810 Revision D  Flight Manual Supplement to Pilot's Operating Handbook and FAA Approved Airplane Flight Manual for Cessna Air...