AD 96-21-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-31 | Airworthiness Directives; The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA31, PA31P, and PA31T Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-300 | Airworthiness Directives; The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA31, PA31P, and PA31T Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-325 | Airworthiness Directives; The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA31, PA31P, and PA31T Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-350 | Airworthiness Directives; The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA31, PA31P, and PA31T Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31P | Airworthiness Directives; The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA31, PA31P, and PA31T Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31P-350 | Airworthiness Directives; The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA31, PA31P, and PA31T Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31T | Airworthiness Directives; The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA31, PA31P, and PA31T Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31T1 | Airworthiness Directives; The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA31, PA31P, and PA31T Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31T2 | Airworthiness Directives; The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA31, PA31P, and PA31T Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31T3 | Airworthiness Directives; The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA31, PA31P, and PA31T Series Airplanes |
Unsafe Condition
Main landing gear (MLG) actuator reinforcement bracket failure could cause the MLG to extend when not selected during flight, leading to substantial airplane damage or loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace MLG actuator reinforcement bracket with part number 73786-02 if current bracket has part number 40776-00, following Piper Service Bulletin No. 923. Special flight permits may be issued under 14 CFR 21.197 and 21.199 to operate to a location where AD requirements can be met.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 200 hours time-in-service after February 11, 1994 or within the next 25 hours time-in-service after December 16, 1996, whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
PA31, PA31-300, PA31-325 (serial 31-2 through 31-8312019); PA31-350 (31-5001 through 31-8553002); PA31P (31P-1 through 31P-7730012); PA31P-350 (31P-8414001 through 31P-8414050); PA31T (31T-7400001 through 31T-8120104); PA31T1 (31T-7804001 through 31T-8304003 and 31T-1104004 through 31T-1104017); PA31T2 (31T-8166001 through 31T-8166076 and 31T-1166001 through 31T-1166008); PA31T3 (31T-8275001 through 31T-8475001 and 31T-5575001).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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