Lycoming Crank AD: Replace Within 25 Hours

The FAA has finalized its airworthiness directive for Superior and some Lycoming four-cylinder IO-360 and O-360 engines.

If you have a Superior Air Parts Inc. model IO-360/O-360 or a Lycoming 360-series under the cowling, you’ve likely been watching the proposed AD for the crankshaft used in some of these engines. The Superior Air Parts crankshaft is installed as an original-equipment component, and also as a PMA replacement part on affected Lycoming engines. […]
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Editor in Chief Larry Anglisano has been a staple at Aviation Consumer since 1995. An active land, sea and glider pilot, Larry has over 30 years’ experience as an avionics repairman and flight test pilot. He’s the editorial director overseeing sister publications Aviation Safety magazine, IFR magazine and is a regular contributor to KITPLANES magazine with his Avionics Bootcamp column. When he’s not writing, Larry is working on a collection of guitar compositions for the upcoming Flying n’ Jazz production.