AD 68-13-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-31 | Airworthiness Directives; Piper Models PA-31 and PA-31-300 Type Aircraft |
| aircraft | Piper Aircraft Inc. | PA-31-300 | Airworthiness Directives; Piper Models PA-31 and PA-31-300 Type Aircraft |
Unsafe Condition
Electrical wire arcing to the fuel crossfeed line behind the fuel control panel in the cockpit due to chafing or interference of wiring with the fuel crossfeed line, spar structure, and cover assembly P/N 41448-00, which could lead to in-flight fire.
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Required Actions
Inspect wiring for chafing or interference at the fuel crossfeed line, spar structure, and fuel control cable. Replace chafed wires and fuel crossfeed line worn over 10% wall thickness. Reroute wiring and secure fuel crossfeed line per Piper Service Bulletin 278 or FAA-approved equivalent.
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Compliance Time
within the next 5 hours time in service after the effective date of this airworthiness directive
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Affected Aircraft
Piper Models PA-31 and PA-31-300 type aircraft with serial numbers 31-2 through 31-220 inclusive, 31-222, 31-223, 31-225, 31-228, 31-234, 31-237, 31-238, 31-240, 31-242, and 31-243.
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Federal Register Abstract
Electrical Wire Arcing
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_68-13-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-13-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Models PA-31 and PA-31-300 Type Aircraft Subject: Electrical Wire Arcing Status: Current Citation: This information is not available. Citation Publish Date: 06/22/1968 Effective Date: 06/25/1968 Make: Piper Aircraft Inc. Model: PA-31 | PA-31-300 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part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: 68-13-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-613 AD NUMBER: 68-13-01 SUBJECT HEADING: Airworthiness Directives; Piper Models PA-31 and PA-31-300 Type Aircraft ACTION: SUMMARY: DATES: Effective June 25, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-13-01 PIPER: Amendment 39-613. Applies to PA-31 and PA-31-300 type Aircraft Serial Numbers 31-2 through 31-220 inclusive 31-222, 31-223, 31-225, 31-228, 31-234, 31-237, 31-238, 31-240, 31-242 and 31-243. To preclude in-flight fire attributed to arcing from electrical wires to the fuel crossfeed line behind the fuel control panel in the cockpit accomplish the following within the next (5) hours time in service after the effective date of this airworthiness directive unless already accomplished. A. Remove fuel control panel cover assembly P/N 41448-00 and inspect all wiring for chafing or interference at the fuel crossfeed line, the spar structure and the fuel control cable. Also inspect for chafing of the fuel crossfeed line against the spar structure and the P/N 41448-00 cover. Replace all chafed wires and any fuel crossfeed line chafed or worn in excess of 10 per cent (approximately .003 inch) of the wall thickness. B. Reroute wiring and secure fuel crossfeed line to assure adequate clearance in accordance with Piper Service Bulletin No. 278 (Kit No. 760216) or later FAA approved revision or in accordance with an FAA approved equivalent modification. (Piper Service Bulletin No. 278 dated May 27, 1968 covers this subject). This amendment is effective June 25, 1968 and was effective upon receipt for all recipients of the telegram dated May 29, 1968 which contained this amendment. FOOTER:
Document Text
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AD Final Rules - DRS_68-13-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-13-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Models PA-31 and PA-31-300 Type Aircraft Subject: Electrical Wire Arcing Status: Current Citation: This information is not available. Citation Publish Date: 06/22/1968 Effective Date: 06/25/1968 Make: Piper Aircraft Inc. Model: PA-31 | PA-31-300 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: 68-13-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-613 AD NUMBER: 68-13-01 SUBJECT HEADING: Airworthiness Directives; Piper Models PA-31 and PA-31-300 Type Aircraft ACTION: SUMMARY: DATES: Effective June 25, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-13-01 PIPER: Amendment 39-613. Applies to PA-31 and PA-31-300 type Aircraft Serial Numbers 31-2 through 31-220 inclusive 31-222, 31-223, 31-225, 31-228, 31-234, 31-237, 31-238, 31-240, 31-242 and 31-243. To preclude in-flight fire attributed to arcing from electrical wires to the fuel crossfeed line behind the fuel control panel in the cockpit accomplish the following within the next (5) hours time in service after the effective date of this airworthiness directive unless already accomplished. A. Remove fuel control panel cover assembly P/N 41448-00 and inspect all wiring for chafing or interference at the fuel crossfeed line, the spar structure and the fuel control cable. Also inspect for chafing of the fuel crossfeed line against the spar structure and the P/N 41448-00 cover. Replace all chafed wires and any fuel crossfeed line chafed or worn in excess of 10 per cent (approximately .003 inch) of the wall thickness. B. Reroute wiring and secure fuel crossfeed line to assure adequate clearance in accordance with Piper Service Bulletin No. 278 (Kit No. 760216) or later FAA approved revision or in accordance with an FAA approved equivalent modification. (Piper Service Bulletin No. 278 dated May 27, 1968 covers this subject). This amendment is effective June 25, 1968 and was effective upon receipt for all recipients of the telegram dated May 29, 1968 which contained this amendment. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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