AD 79-12-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-44-180 | Airworthiness Directives; Piper Model PA-44-180 Airplanes |
Unsafe Condition
Fuel leakage from failed primer lines and cracked and broken fittings creating a potential fire hazard.
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Required Actions
Install Piper Part Number 763 908V fuel primer modification kit per Piper Service Bulletin 634 dated December 28, 1978, or later revision approved by the FAA. Make an appropriate maintenance record entry.
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Compliance Time
within the next 25 hours' time in service after the effective date of this AD or within 30 days after the effective date of this AD, whichever occurs first
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Affected Aircraft
Piper Model PA-44-180, serial numbers 44-7995001 through 44-7995190 airplanes certificated in all categories.
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Federal Register Abstract
Fuel Primer Modification Kits
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_79-12-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 79-12-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-44-180 Airplanes Subject: Fuel Primer Modification Kits Status: Current Citation: This information is not available. Citation Publish Date: 06/18/1979 Effective Date: 06/21/1979 Make: Piper Aircraft Inc. Model: PA-44-180 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part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: 79-12-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3490 AD NUMBER: 79-12-11 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-44-180 Airplanes ACTION: SUMMARY: DATES: Effective June 21, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 79-12-11 PIPER AIRCRAFT CORPORATION: Amendment 39-3490. Applies to Model PA-44-180, serial numbers 44-7995001 through 44-7995190 airplanes certificated in all categories. Compliance is required within the next 25 hours' time in service after the effective date of this AD or within 30 days after the effective date of this AD, whichever occurs first, unless already accomplished. To prevent a potential fire hazard due to fuel leakage from failed primer lines and cracked and broken fittings, accomplish the following on both engines: (a) Install the fuel primer modification kit, Piper Part Number 763 908V in accordance with Piper Service Bulletin 634 dated December 28, 1978, or later revision approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. (b) Make an appropriate maintenance record entry. An equivalent method of compliance may be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. This amendment becomes effective June 21, 1979. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_79-12-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 79-12-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-44-180 Airplanes Subject: Fuel Primer Modification Kits Status: Current Citation: This information is not available. Citation Publish Date: 06/18/1979 Effective Date: 06/21/1979 Make: Piper Aircraft Inc. Model: PA-44-180 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: 79-12-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3490 AD NUMBER: 79-12-11 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-44-180 Airplanes ACTION: SUMMARY: DATES: Effective June 21, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 79-12-11 PIPER AIRCRAFT CORPORATION: Amendment 39-3490. Applies to Model PA-44-180, serial numbers 44-7995001 through 44-7995190 airplanes certificated in all categories. Compliance is required within the next 25 hours' time in service after the effective date of this AD or within 30 days after the effective date of this AD, whichever occurs first, unless already accomplished. To prevent a potential fire hazard due to fuel leakage from failed primer lines and cracked and broken fittings, accomplish the following on both engines: (a) Install the fuel primer modification kit, Piper Part Number 763 908V in accordance with Piper Service Bulletin 634 dated December 28, 1978, or later revision approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. (b) Make an appropriate maintenance record entry. An equivalent method of compliance may be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. This amendment becomes effective June 21, 1979. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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