AD 83-10-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-24-400 | Airworthiness Directives; Piper Model PA-24-400, PA-30, and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-30 | Airworthiness Directives; Piper Model PA-24-400, PA-30, and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-39 | Airworthiness Directives; Piper Model PA-24-400, PA-30, and PA-39 Airplanes |
Unsafe Condition
Retention of water contamination and deterioration of the fuel system components in the fuel selector valve strainer filter due to inadequate drainage and inspection procedures.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 50 hours time-in-service after the effective date, inspect and clean fuel selector valve strainer filters every 50 hours. Replace PA-30 strainer housings with Piper P/N 757187 within 100 hours. Install specified placards within 50 hours, and adjust inspection intervals up to 10 hours for maintenance coordination.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours time-in-service after the effective date of this AD and at intervals not exceeding 50 hours time-in-service thereafter for inspections; within 100 hours time-in-service for PA-30 strainer replacement; within 50 hours for placard installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Model PA-24-400 (S/Ns 26-2 through 26-148); PA-30 (S/Ns 30-2 through 30-2000); PA-39 (S/Ns 39-1 through 39-155)
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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