Service Bulletins Letters

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TTP B1-L1 ATA08 Cessna 172 B2-L1             PTP Cessna 172 B1 LOC SGH B2 LOC SGH Required tools, equipment and materials-. Leveling Points Lateral Leveling. (1) Find two points that are the same on each upper door sill of the left and right cabin doors. (2) Put a level in position across these points. NOTE: Out-of-level tolerance for wing tips is three inches total. (3) Make a note of the airplane's lateral position. (4) If applicable, put jacks in position at the wings and tail jacking points. (a) Adjust the wing jacks as required to get the necessary lateral position. Longitudinal Leveling. (1) Find the two screws on the left side of the airplane tailcone that are in line with water line zero. (2) Remove the screws. (3) Install studs or long screws of applicable length (approximately two inches long). (4) Put the level...
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FAA AD 2015-19-07 Lycoming Fuel Injected Reciprocating Engines

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