AD 78-02-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-31T | Airworthiness Directives; Piper Models PA-31T and PA-31T1 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31T1 | Airworthiness Directives; Piper Models PA-31T and PA-31T1 Airplanes |
Unsafe Condition
Failure of the main landing gear actuating cylinder rod end bearing assemblies
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and replace the main landing gear actuating cylinder rod end bearing assemblies as described in Piper Aircraft Corporation Service Bulletin No. 57A dated August 30, 1978. Equivalent alterations or methods of compliance must be approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
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Compliance Time
within the next fifty hours in service after the effective date of this AD, unless already accomplished
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Affected Aircraft
Piper Models PA-31T (serial numbers 31T-7400002 through 31T-7820077) and PA-31T1 (serial numbers 31T-7804001 through 31T-780-4006)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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