AD 86-08-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200F Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400 Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747SP Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747SR Series | BOEING Model 747 Series Airplanes |
Unsafe Condition
Failure of the aft pressure bulkhead could lead to structural failure of the vertical fin.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install the vertical fin access cover in accordance with Boeing Service Bulletin 747-53A2264 or later FAA-approved revisions. An alternate means of compliance or adjustment may be used if approved by the FAA Manager, Seattle Aircraft Certification Office.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 6 months after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747 series airplanes through line number 625, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Vertical Fin Access Cover
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_86-08-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-08-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 747 Series Airplanes Subject: Vertical Fin Access Cover Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/19/1986 Make: The Boeing Company Model: 747-100 Series | 747-100B Series | 747-100B SUD Series | 747-200B Series | 747-200C Series | 747-200...Show more 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: 86-08-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5288 AD NUMBER: 86-08-02 SUBJECT HEADING: BOEING Model 747 Series Airplanes ACTION: SUMMARY: DATES: Effective May 19, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-08-02 BOEING: Amendment 39-5288. Applies to all Model 747 series airplanes through line number 625, certificated in any category. To prevent structural failure of the vertical fin in the event of failure of the aft pressure bulkhead, accomplish the following within 6 months after the effective date of this AD, unless already accomplished: A. Install the vertical fin access cover in accordance with Boeing Service Bulletin 747-53A2264, dated November 25, 1985, or later FAA-approved revisions. B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the modifications required by this AD. All persons affected by this proposal who have not already received the appropriate service document from the manufacturer may obtain copies upon request to the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124-2207. This document may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington. This amendment becomes effective May 19, 1986. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_86-08-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-08-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 747 Series Airplanes Subject: Vertical Fin Access Cover Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/19/1986 Make: The Boeing Company Model: 747-100 Series | 747-100B Series | 747-100B SUD Series | 747-200B Series | 747-200C Series | 747-200...Show more 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: 86-08-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5288 AD NUMBER: 86-08-02 SUBJECT HEADING: BOEING Model 747 Series Airplanes ACTION: SUMMARY: DATES: Effective May 19, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-08-02 BOEING: Amendment 39-5288. Applies to all Model 747 series airplanes through line number 625, certificated in any category. To prevent structural failure of the vertical fin in the event of failure of the aft pressure bulkhead, accomplish the following within 6 months after the effective date of this AD, unless already accomplished: A. Install the vertical fin access cover in accordance with Boeing Service Bulletin 747-53A2264, dated November 25, 1985, or later FAA-approved revisions. B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the modifications required by this AD. All persons affected by this proposal who have not already received the appropriate service document from the manufacturer may obtain copies upon request to the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124-2207. This document may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington. This amendment becomes effective May 19, 1986. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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