AD 75-08-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-28-140 | Airworthiness Directives; Piper Models PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-S-160, PA-28-180, PA-28-S-180, PA-28R-180, and PA-28R-200 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28-150 | Airworthiness Directives; Piper Models PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-S-160, PA-28-180, PA-28-S-180, PA-28R-180, and PA-28R-200 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28-151 | Airworthiness Directives; Piper Models PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-S-160, PA-28-180, PA-28-S-180, PA-28R-180, and PA-28R-200 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28-160 | Airworthiness Directives; Piper Models PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-S-160, PA-28-180, PA-28-S-180, PA-28R-180, and PA-28R-200 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28-180 | Airworthiness Directives; Piper Models PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-S-160, PA-28-180, PA-28-S-180, PA-28R-180, and PA-28R-200 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28R-180 | Airworthiness Directives; Piper Models PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-S-160, PA-28-180, PA-28-S-180, PA-28R-180, and PA-28R-200 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28R-200 | Airworthiness Directives; Piper Models PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-S-160, PA-28-180, PA-28-S-180, PA-28R-180, and PA-28R-200 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28S-160 | Airworthiness Directives; Piper Models PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-S-160, PA-28-180, PA-28-S-180, PA-28R-180, and PA-28R-200 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28S-180 | Airworthiness Directives; Piper Models PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-S-160, PA-28-180, PA-28-S-180, PA-28R-180, and PA-28R-200 Airplanes |
Unsafe Condition
Unsecured fuel drain valves installed at the gascolator may loosen in the fitting, leading to fuel leakage or valve detachment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Check the fuel gascolator drain valve to ensure it is tight by hand. If loose, tighten, check operation, and secure with a lock seal nut. Within 50 hours' time in service after April 4, 1975, remove the valve (if not previously Loc-tited), install a lock seal nut, apply Loc-tite sealant on specified threads, and reinstall the valve with 2 1/2 to 3 1/2 turns secured by the lock seal nut.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to next flight for the initial check, and within the next 50 hours' time in service after the effective date of this AD.
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Affected Aircraft
Piper Models PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-S-160, PA-28-180, PA-28-S-180, PA-28R-180, and PA-28R-200 with specific serial ranges: PA-28 series serial numbers 28-03, 28-1 thru 28-7525201; PA-28R series serial numbers 28R-30002 thru 28R-7535143.
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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