AD NUMBER: 2007-04-19R1
MANUFACTURER: Cylinder assembly
SUBJECT: Airworthiness Directive 2007-04-19R1
SUMMARY: The FAA is revising an existing airworthiness
directive (AD) for certain SAP cylinder assemblies installed in
Teledyne Continental Motors (TCM) 470, 520, and 550 series
reciprocating engines, Lycoming Engines (LE) 320, 360, and 540
series reciprocating engines, Avco Lycoming (AL) 540 series
reciprocating engines, and Superior Air Parts, Inc. (SAP) 360
series reciprocating engines.