| 2006-10-21 | Engine Components Incorporated (ECi) Reciprocating Engine Connecting Rods | Jun 22, 2006 | Engine (O-360-A4M)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-A4M)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-A4M)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. |
| 2004-14-12 | The New Piper Aircraft, Inc., Models PA-28-161, PA-28-181, PA-28R-201, PA-32R-301 (HP)… | Aug 10, 2004 | Airframe (PA-28-181)Certain serial numbers: PA-28-161 2842026–2842180; PA-28-181 2843112–2843565; PA-28R-201 2844014–2844099; PA-32R-301 3246098–3246214; PA-32R-301T 3257028–3257327; PA-34-220T 3449042–3449292; … |
| 99-05-09 | The New Piper Aircraft, Inc. PA-23, PA- 24, PA-28, PA-32, and PA-34 Series Airplanes | Mar 19, 1999 | Airframe (PA-28-181)Certain serial numbers: PA-23-235 27-505–27-622; PA-23-250 27-01–27-2504; PA-24-180 24-103–24-3687; PA-24-250 24-103–24-3687; PA-24-260 24-3642; PA-24-260 24-4000–24-5028; …. Only with: Equipped with Purolator air filter P/N 638873, Model CA161PL, or Piper P/N 460-632 (PS60007-2). |
| 95-26-13 | The New Piper Aircraft, Inc. (Formerly Piper Aircraft Corporation) PA28 and PA32 Series… | Feb 5, 1996 | Airframe (PA-28-181)Only with: Equipped with oil cooler hose assemblies that do not meet TSO-C53a, Type D requirements. |