FLYING Magazine on MSN
FAA issues Lycoming engine AD over defective piston pins
Airworthiness directive affects O-235, O-540, and IO-540 powerplants.
A significant issue with Textron Lycoming engines involves out-of-round crankshaft counterweight pilot holes, leading to potential counterweight bushing failure, engine failure, and prompting an FAA ...
The Federal Aviation Administration published an emergency airworthiness directive today requiring operators of 957 Lycoming piston engines to replace a specific internal component before further ...
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