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.
AI-generated summary from the source AD text. Verify against the official source before acting.
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.
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 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.
Federal Register Abstract
Oil Drain Valves
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_81-11-02_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-11-02 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-28R-200, PA-28R-201 and PA-28RT-201 Airplanes Subject: Oil Drain Valves Status: Current Citation: This information is not available. Citation Publish Date: 10/01/1981 Effective Date: 10/02/1981 Make: Piper Aircraft Inc. Model: PA-28R-200 | PA-28R-201 | PA-28RT-201 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 81-11-02 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4222 AD NUMBER: 81-11-02 R1 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-28R-200, PA-28R-201 and PA-28RT-201 Airplanes ACTION: SUMMARY: DATES: Effective October 2, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-11-02 R1 PIPER AIRCRAFT CORPORATION: Amendment 39-4111 as amended by amendment 39-4222. Applies to Model PA-28R-200, Serial Numbers 28R35001 through 28R-7635545; Model PA-28R-201, Serial numbers 28R-7737001 through 28R-7837317; and Model PA-28RT-201, Serial Numbers 28R-7918001 through 28R-8118047, airplanes certificated in all categories. Compliance is required 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. To prevent possible loss of oil due to installation of an incorrect engine oil quick drain valve, accomplish the following: (a) Install two warning placards, one on each side, on the lower engine mount beneath the intake and exhaust tubes, in accordance with Figure 1. Use Piper Part No. 87369-26V which reads: "CAUTION Unapproved Oil Drain Valves Can Cause Inadvertent Draining When the Gear is Retracted - Use Only Piper Approved Part" (b) For those airplanes equipped with an engine oil quick drain valve, perform the following: (1) Inspect the oil quick drain valve and insure that Piper Part No. 492-172V is installed and correctly safety wired. The correct valve can be identified by comparison with Figure 2. Also, the Number 1H50-1 may be visible on the hex. (2) If an incorrect valve is installed, replace with Piper Part No. 492-172V, and safety wire, using .032 safety wire. (c) Make an appropriate maintenance record entry. NOTE: Piper Service Letter No. 910, dated December 29, 1980, pertains to this subject. An equivalent method of compliance may be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. Amendment 39-4111 became effective May 18, 1981. This amendment 39-4222 becomes effective October 2, 1981. FIGURE 1 AD 81-11-02 FIGURE 2 AD 81-11-02 FOOTER:
Document Text
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AD Final Rules - DRS_81-11-02_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-11-02 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-28R-200, PA-28R-201 and PA-28RT-201 Airplanes Subject: Oil Drain Valves Status: Current Citation: This information is not available. Citation Publish Date: 10/01/1981 Effective Date: 10/02/1981 Make: Piper Aircraft Inc. Model: PA-28R-200 | PA-28R-201 | PA-28RT-201 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 81-11-02 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4222 AD NUMBER: 81-11-02 R1 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-28R-200, PA-28R-201 and PA-28RT-201 Airplanes ACTION: SUMMARY: DATES: Effective October 2, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-11-02 R1 PIPER AIRCRAFT CORPORATION: Amendment 39-4111 as amended by amendment 39-4222. Applies to Model PA-28R-200, Serial Numbers 28R35001 through 28R-7635545; Model PA-28R-201, Serial numbers 28R-7737001 through 28R-7837317; and Model PA-28RT-201, Serial Numbers 28R-7918001 through 28R-8118047, airplanes certificated in all categories. Compliance is required 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. To prevent possible loss of oil due to installation of an incorrect engine oil quick drain valve, accomplish the following: (a) Install two warning placards, one on each side, on the lower engine mount beneath the intake and exhaust tubes, in accordance with Figure 1. Use Piper Part No. 87369-26V which reads: "CAUTION Unapproved Oil Drain Valves Can Cause Inadvertent Draining When the Gear is Retracted - Use Only Piper Approved Part" (b) For those airplanes equipped with an engine oil quick drain valve, perform the following: (1) Inspect the oil quick drain valve and insure that Piper Part No. 492-172V is installed and correctly safety wired. The correct valve can be identified by comparison with Figure 2. Also, the Number 1H50-1 may be visible on the hex. (2) If an incorrect valve is installed, replace with Piper Part No. 492-172V, and safety wire, using .032 safety wire. (c) Make an appropriate maintenance record entry. NOTE: Piper Service Letter No. 910, dated December 29, 1980, pertains to this subject. An equivalent method of compliance may be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. Amendment 39-4111 became effective May 18, 1981. This amendment 39-4222 becomes effective October 2, 1981. FIGURE 1 AD 81-11-02 FIGURE 2 AD 81-11-02 FOOTER:
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Retrieved: Apr 8, 2026
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