AD 86-20-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-44-180T | Airworthiness Directives; Piper Model PA-44-180T Airplanes |
Unsafe Condition
Smoke in the cockpit and possible complete electrical failure due to shorting of ammeter terminal posts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace both ammeters with Ammeter Replacement Kits (Piper Part No. 765-302) following Piper Service Bulletin No. 847 within 50 hours time-in-service. Allow flight under FAR 21.197 to a location where the AD can be accomplished. Equivalent methods require approval from the Atlanta Aircraft Certification Office.
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
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Model PA-44-180T (Serial Numbers 44-8107001 through 44-8207020)
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Ammeter Replacement
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_86-20-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-20-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-44-180T Airplanes Subject: Ammeter Replacement Status: Current Citation: This information is not available. Citation Publish Date: 10/14/1986 Effective Date: 10/17/1986 Make: Piper Aircraft Inc. Model: PA-44-180T Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part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: 86-20-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5441 AD NUMBER: 86-20-11 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-44-180T Airplanes ACTION: SUMMARY: DATES: Effective October 17, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-20-11 PIPER AIRCRAFT CORPORATION: Amendment 39-5441. Applies to Model PA-44-180T (Serial Numbers 44-8107001 through 44-8207020) airplanes certificated in any category. Compliance: Required as indicated after the effective date of this AD, unless already accomplished. To prevent smoke in the cockpit and possibly complete electrical failure resulting from shorting of ammeter terminal posts, accomplish the following: (a) Within the next 50 hours time-in-service (TIS) after the effective date of this AD, replace both ammeters with Ammeter Replacement Kits, Piper Part No. 765-302: in accordance with the instructions contained in Piper Service Bulletin No. 847, dated August 28, 1986. (b) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD can be accomplished. (c) An equivalent method of compliance if used, must be approved by the Manager, Atlanta Aircraft Certification Office, FAA, 1075 Inner Loop Road, College Park, Georgia 30337. All persons affected by this directive may obtain copies of the document(s) referred to herein upon request to Piper Aircraft Corp., 2926 Piper Drive, Vero Beach, Florida 32960; or the FAA, Rules Docket, Office of Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment becomes effective on October 17, 1986. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_86-20-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-20-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-44-180T Airplanes Subject: Ammeter Replacement Status: Current Citation: This information is not available. Citation Publish Date: 10/14/1986 Effective Date: 10/17/1986 Make: Piper Aircraft Inc. Model: PA-44-180T 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: 86-20-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5441 AD NUMBER: 86-20-11 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-44-180T Airplanes ACTION: SUMMARY: DATES: Effective October 17, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-20-11 PIPER AIRCRAFT CORPORATION: Amendment 39-5441. Applies to Model PA-44-180T (Serial Numbers 44-8107001 through 44-8207020) airplanes certificated in any category. Compliance: Required as indicated after the effective date of this AD, unless already accomplished. To prevent smoke in the cockpit and possibly complete electrical failure resulting from shorting of ammeter terminal posts, accomplish the following: (a) Within the next 50 hours time-in-service (TIS) after the effective date of this AD, replace both ammeters with Ammeter Replacement Kits, Piper Part No. 765-302: in accordance with the instructions contained in Piper Service Bulletin No. 847, dated August 28, 1986. (b) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD can be accomplished. (c) An equivalent method of compliance if used, must be approved by the Manager, Atlanta Aircraft Certification Office, FAA, 1075 Inner Loop Road, College Park, Georgia 30337. All persons affected by this directive may obtain copies of the document(s) referred to herein upon request to Piper Aircraft Corp., 2926 Piper Drive, Vero Beach, Florida 32960; or the FAA, Rules Docket, Office of Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment becomes effective on October 17, 1986. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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