AD 69-13-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maryland Air Industries, Inc. | F-27 | Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27A | Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27B | Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27F | Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27G | Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27J | Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27M | Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes |
Unsafe Condition
Working of the wing outer panel fuel access door attach bolts may cause cracking of the lower skin radiating from the holes drilled for attaching screws of the nut retainer plate assembly.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
For serial numbers 1 through 65, comply with Service Bulletin No. 57-4, Revision 2. For serial numbers 1 through 75, comply with Service Bulletin 57-5, Revision 1. Both must be done via an equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 400 hours' time in service after the effective date of this AD
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Affected Aircraft
Fairchild-Hiller Model F-27 Airplanes, serial numbers 1 through 75
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Wing Fuel Access Door Bolts
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_69-13-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-13-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes Subject: Wing Fuel Access Door Bolts Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/09/1969 Make: Maryland Air Industries, Inc. Model: F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 69-13-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-788 AD NUMBER: 69-13-06 SUBJECT HEADING: Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes ACTION: SUMMARY: DATES: Effective July 9, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-13-06 FAIRCHILD-HILLER: Amdt. 39-788. Applies to F-27 Type Airplanes, Serial Nos. 1 through 75, Certificated in all categories. Compliance required within the next 400 hours' time in service after the effective date of this AD, unless already accomplished. To reduce working of the wing outer panel fuel access door attach bolts, and to prevent possible cracking of the lower skin radiating from the holes drilled for attaching screws of the nut retainer plate assembly, accomplish the following: (a) For Serial Nos. 1 through 65 airplanes, comply with Fairchild Hiller Service Bulletin No. 57-4, Revision 2, dated October 31, 1963, or equivalent method, approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (b) For Serial Nos. 1 through 75 airplanes, comply with Fairchild Hiller Service Bulletin 57-5, Revision 1, dated April 21, 1966, or equivalent method, approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (c) Upon request with substantiating data submitted through an FAA maintenance inspector, the compliance time specified in this AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. This amendment is effective July 9, 1969. FOOTER:
Document Text
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AD Final Rules - DRS_69-13-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-13-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes Subject: Wing Fuel Access Door Bolts Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/09/1969 Make: Maryland Air Industries, Inc. Model: F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 69-13-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-788 AD NUMBER: 69-13-06 SUBJECT HEADING: Airworthiness Directives; Fairchild-Hiller Model F-27 Airplanes ACTION: SUMMARY: DATES: Effective July 9, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-13-06 FAIRCHILD-HILLER: Amdt. 39-788. Applies to F-27 Type Airplanes, Serial Nos. 1 through 75, Certificated in all categories. Compliance required within the next 400 hours' time in service after the effective date of this AD, unless already accomplished. To reduce working of the wing outer panel fuel access door attach bolts, and to prevent possible cracking of the lower skin radiating from the holes drilled for attaching screws of the nut retainer plate assembly, accomplish the following: (a) For Serial Nos. 1 through 65 airplanes, comply with Fairchild Hiller Service Bulletin No. 57-4, Revision 2, dated October 31, 1963, or equivalent method, approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (b) For Serial Nos. 1 through 75 airplanes, comply with Fairchild Hiller Service Bulletin 57-5, Revision 1, dated April 21, 1966, or equivalent method, approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (c) Upon request with substantiating data submitted through an FAA maintenance inspector, the compliance time specified in this AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. This amendment is effective July 9, 1969. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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