| 2026-17-10 | Reciprocating Engine Cylinder Section | Sep 14, 2026 | Engine (O-540-B4B5)Serial numbers per Table 2 or Table 3 of Lycoming Mandatory Service Bulletin No. 667A, dated March 12, 2026. Only with: Installed piston pin P/N LW-13445 with an OEM FAA Form 8130-3 production dated between January 7, 2021 and December 15, 2025, or where the production date cannot be determined or the form is unavailable. |
| 2013-02-13 | Stabilizer Control System | Mar 11, 2013 | Airframe (PA-28-235) |
| 2010-15-10 | Piper Aircraft, Inc. PA-28, PA-32, PA-34, and PA-44 Series Airplanes | Aug 31, 2010 | Airframe (PA-28-235)Certain serial numbers: PA-28-140 28-20001–28-26946; PA-28-140 28-7125001–28-7725290; PA-28-150 28-03; PA-28-150 28-1–28-4377; PA-28-150 28-1760A; PA-28-160 28-03; … |
| 2006-10-21 | Engine Components Incorporated (ECi) Reciprocating Engine Connecting Rods | Jun 22, 2006 | Engine (O-540-B4B5)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. |
| 2005-19-11 | Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, LO-360… | Oct 21, 2005 | Engine (O-540-B4B5)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. |