| 2006-10-21 | Engine Components Incorporated (ECi) Reciprocating Engine Connecting Rods | Jun 22, 2006 | Engine (O-360-A1A)Only with: ECi connecting rods P/N AEL11750 (forging P/N AEL11488) installed, rod serial numbers 54/6 and below, produced between January 2002 and January 2004. |
| 2006-06-16 | Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, and… | Apr 27, 2006 | Engine (O-360-A1A)Only with: Engines manufactured new or rebuilt, overhauled, or that had a crankshaft installed after March 1, 1999. |
| 2005-19-11 | Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, LO-360… | Oct 21, 2005 | Engine (O-360-A1A)Only with: Engines rated at 300 HP or lower, manufactured new, rebuilt, or overhauled after March 1, 1999, or that had a crankshaft installed after March 1, 1999. |
| 99-26-05 | The New Piper Aircraft, Inc. Models PA- 25, PA-25-235, PA-25-260, PA-28S-160… | Jan 13, 2000 | Airframe (PA-25)Only with: Equipped with Purolator air filter P/N 638873, Model CA161PL, or Piper P/N 460-632 (PS60007-2); PA-28-151/161 only when STC SA2946SO is incorporated. |
| 95-12-01 | Piper Aircraft Corporation PA-25 Series Airplanes | Jul 7, 1995 | Airframe (PA-25) |