AD: Textron Lycoming
AD NUMBER: 2004-05-24
MANUFACTURER: Textron Lycoming
SUBJECT: Airworthiness Directive 2004-05-24
SUMMARY: The FAA is superseding an existing
airworthiness directive (AD) for Lycoming Engines (Formerly Textron
Lycoming) AEIO-540, IO-540, LTIO-540, O-540, and TIO-540 series
reciprocating engines. That action requires replacing certain
zinc-plated crankshaft gear retaining bolts. This action retains
that requirement, but expands the population of affected engines.
In addition, this AD adds five additional kits for replacing the
crankshaft gear retaining bolts.
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