| 2005-19-11 | Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, LO-360… | Oct 21, 2005 | Engine (IO-540 SER)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. |
| 2004-05-24 | Lycoming Engines (Formerly Textron Lycoming) AEIO-540, IO-540, LTIO-540, O-540, and… | Mar 30, 2004 | Engine (IO-540 SER)Only with: Engines with crankshaft gear retaining bolts P/N STD-2209 installed; excludes O-540-F series engines subject to AD 99-03-05 with bolt not since replaced, engines with bolt installed at original assembly or replaced by Lycoming per SB 554 after November 10, 1998, engines with bolt from replacement kits 05K19987, 05K23325, 05K23326, 05K23327, 05K23335 or 05K23336, and engines with single-drive dual magnetos. |
| 2000-25-01 | The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA-31 Series Airplanes | Jan 19, 2001 | Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-900; PA-31 31-7300901–31-8312019; PA-31-300 31-2–31-900; PA-31-300 31-7300901–31-8312019; PA-31-350 31-5001–31-5004; PA-31-350 31-7305005–31-8553002; …. Only with: Equipped with Piper P/N 46653-00 or 47529-32 aluminum main landing gear door hinge assemblies (or FAA-approved equivalents); aircraft referred to as PA-31-310 are PA-31 airplanes. |
| 2000-06-06 | The New Piper Aircraft, Inc. PA-31 Series Airplanes | Mar 23, 2000 | Airframe (PA-31-350)Only with: Equipped with pneumatic deicing boots. |
| 99-12-05 | The New Piper Aircraft, Inc. Models PA- 31, PA-31-300, PA-31-325, PA-31-350, and… | Jul 23, 1999 | Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-8312019; PA-31-300 31-2–31-8312019; PA-31-325 31-2–31-8312019; PA-31-350 31-5001–31-8553002; PA-31P-350 31P-8414001–31P-8414050. Only with: Airplanes not equipped with the improved design elevators or elevator spar assemblies specified in the Material Required Table of Piper Service Bulletin No. 998A, dated August 4, 1997. |
| 99-06-01 | The New Piper Aircraft, Inc. Models PA- 31, PA-31-300, PA-31-325, PA-31-350, and… | Apr 20, 1999 | Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-8312019; PA-31-300 31-2–31-8312019; PA-31-325 31-2–31-8312019; PA-31-350 31-5001–31-8553002; PA-31P-350 31P-8414001–31P-8414050 |
| 98-09-25 | The New Piper Aircraft, Inc. Models PA- 31, PA-31-300, PA-31-325, and PA-31-350 Airplanes | Jun 15, 1998 | Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-8312019; PA-31-300 31-2–31-8312019; PA-31-325 31-2–31-8312019; PA-31-350 31-5001–31-8553002 |
| 98-08-18 | The New Piper Aircraft, Inc. Models PA- 31, PA-31-300, PA-31-325, PA-31-350, and PA-31P… | May 26, 1998 | Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-8312019; PA-31-300 31-2–31-8312019; PA-31-325 31-2–31-8312019; PA-31-350 31-5001–31-8553002; PA-31P 31P-1–31P-7730012 |
| 98-04-27 | The New Piper Aircraft Corporation Models PA-23, PA-23-160, PA-23-235, PA-23-250… | Mar 13, 1998 | Airframe (PA-31-350) |
| 96-10-14 | The New Piper Aircraft, Inc. (Formerly Piper Aircraft Corporation) PA31, PA31P, and… | Jun 27, 1996 | Airframe (PA-31-350)Certain serial numbers: PA31 31-2–31-8312019; PA31-300 31-2–31-8312019; PA31-325 31-2–31-8312019; PA31-350 31-5001–31-8553002; PA31P 31P-2–31P-7730012; PA31P-350 31P-8414001–31P-8414050; …. Only with: Applies to airplanes without improved design MLG forward sidebraces P/N 85165-02/-03 or P/N 85166-02/-03 installed. |