Subject: Lycoming Piston Engines
AD Number: AD/LYC/112 Lycoming Crankshaft Replacement
12/2005 DM
Applicability: Lycoming Engines AEIO-360, IO-360,
O-360, LIO-360, LO-360, AEIO-540, IO-540, O-540, and TIO-540 series
reciprocating engines, rated at 300 horsepower (HP) or lower, that
are manufactured new, rebuilt, overhauled after 01 March 1999; OR
that had a crankshaft installed after 01 March 1999.