AD 82-27-13 R2
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-31 | Airworthiness Directives; Piper Models PA-31, PA-31-300, PA-31-325, PA-31-350, PA-31T, PA-31T1, and PA-31P Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-300 | Airworthiness Directives; Piper Models PA-31, PA-31-300, PA-31-325, PA-31-350, PA-31T, PA-31T1, and PA-31P Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-325 | Airworthiness Directives; Piper Models PA-31, PA-31-300, PA-31-325, PA-31-350, PA-31T, PA-31T1, and PA-31P Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-350 | Airworthiness Directives; Piper Models PA-31, PA-31-300, PA-31-325, PA-31-350, PA-31T, PA-31T1, and PA-31P Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31P | Airworthiness Directives; Piper Models PA-31, PA-31-300, PA-31-325, PA-31-350, PA-31T, PA-31T1, and PA-31P Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31T | Airworthiness Directives; Piper Models PA-31, PA-31-300, PA-31-325, PA-31-350, PA-31T, PA-31T1, and PA-31P Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31T1 | Airworthiness Directives; Piper Models PA-31, PA-31-300, PA-31-325, PA-31-350, PA-31T, PA-31T1, and PA-31P Airplanes |
Unsafe Condition
Failure of the flap extension system can cause flap asymmetric conditions leading to loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install temporary instrument markings and placards, restrict maximum flap extension, inspect flap flexible drive shaft assemblies and wing flap transmissions, replace unsatisfactory parts, incorporate manual revisions, and install permanent kits when available. Equivalent methods using specific gear ratio transmissions and drive shafts may also be approved.
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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