AD 81-11-02 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-28R-200 | Airworthiness Directives; Piper Model PA-28R-200, PA-28R-201 and PA-28RT-201 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28R-201 | Airworthiness Directives; Piper Model PA-28R-200, PA-28R-201 and PA-28RT-201 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28RT-201 | Airworthiness Directives; Piper Model PA-28R-200, PA-28R-201 and PA-28RT-201 Airplanes |
Unsafe Condition
Installation of an incorrect engine oil quick drain valve may cause possible loss of oil due to inadvertent draining when the gear is retracted.
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Required Actions
Install two warning placards on each side of the lower engine mount beneath the intake and exhaust tubes using Piper Part No. 87369-26V. Inspect the oil quick drain valve to ensure Piper Part No. 492-172V is installed and correctly safety wired; replace if incorrect. Make an appropriate maintenance record entry.
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Compliance Time
within the next 50 hours time in service or at the next oil change, whichever comes first, after the effective date of this AD unless already accomplished
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Affected Aircraft
Piper Model PA-28R-200 (Serial Numbers 28R35001 through 28R-7635545), PA-28R-201 (Serial numbers 28R-7737001 through 28R-7837317), and PA-28RT-201 (Serial Numbers 28R-7918001 through 28R-8118047)
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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