AD 96-12-04: Superior Air Parts, Inc. Pistons Installed on Teledyne Continental Motors O-470 Series…

Superior Air Parts, Inc. Parts Manufacturer Approval (PMA) pistons, Part Numbers (P/N's) SA626992 and SA626992P15, installed on Teledyne Continental Motors Model O-470-K, -L, -R reciprocating engines. These engines are installed on but not limited to Cessna 182 series aircraft. Note: This airworthiness directive (AD) applies to each piston identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For pistons that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must use the authority provided in paragraph (b) to request approval from the Federal Aviation Administration (FAA). This approval may address either no action, if the current configuration eliminates the unsafe condition, or different actions necessary to address the unsafe condition described in this AD. Such a request should include an assessment of the effect of the changed configuration on the unsafe condition addressed by this AD. In no case does the presence of any modification, alteration, or repair remove any piston from the…