AD 92-02-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200F Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747SP Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747SR Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
Unsafe Condition
Girt bar end fittings may disengage from girt bar floor brackets.
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Required Actions
Replace girt bar floor brackets with modified brackets per Boeing Service Bulletin 747-25-2754. Alternative methods or compliance time adjustments may be approved by the Manager, Seattle Aircraft Certification Office. Special flight permits may be issued under FAR 21.197 and 21.199.
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Compliance Time
within the next 24 months after the effective date of this AD, unless previously accomplished
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Affected Aircraft
Model 747 series airplanes listed in Boeing Service Bulletin 747-25-2754 dated March 30, 1989, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Girt Bar Floor Brackets
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_92-02-17.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 92-02-17 Document Type: AD Final Rules Docket Number: 91-NM-145-AD Subject Heading: Airworthiness Directives; BOEING Model 747 Series Airplanes Subject: Girt Bar Floor Brackets Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/02/1992 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: 92-02-17 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 91-NM-145-AD AMENDMENT: 39-8154 AD NUMBER: 92-02-17 SUBJECT HEADING: Airworthiness Directives; BOEING Model 747 Series Airplanes ACTION: SUMMARY: DATES: Effective March 2, 1992. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 92-02-17 BOEING: Amendment 39-8154. Docket No. 91-NM-145-AD. Applicability: Model 747 series airplanes, listed in Boeing Service Bulletin 747-25- 2754, dated March 30, 1989, certificated in any category. Compliance: Required within the next 24 months after the effective date of this AD, unless previously accomplished. To prevent the girt bar end fittings from disengaging the girt bar floor brackets, accomplish the following: (a) Replace the girt bar floor brackets with modified brackets, in accordance with Boeing Service Bulletin 747-25-2754, dated March 30, 1989. (b) An alternative method 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 (ACO), FAA, Transport Airplane Directorate. NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Seattle ACO. (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD. (d) The replacement requirements of this AD shall be done in accordance with Boeing Service Bulletin 747-25-2754, dated March 30, 1989. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington; or at the Office of the Federal Register, 1100 L Street N.W., Room 8401, Washington, D.C. (e) This amendment (39-8154, AD 92-02-17) becomes effective on March 2, 1992. FOOTER:
Document Text
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AD Final Rules - DRS_92-02-17.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 92-02-17 Document Type: AD Final Rules Docket Number: 91-NM-145-AD Subject Heading: Airworthiness Directives; BOEING Model 747 Series Airplanes Subject: Girt Bar Floor Brackets Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/02/1992 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: 92-02-17 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 91-NM-145-AD AMENDMENT: 39-8154 AD NUMBER: 92-02-17 SUBJECT HEADING: Airworthiness Directives; BOEING Model 747 Series Airplanes ACTION: SUMMARY: DATES: Effective March 2, 1992. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 92-02-17 BOEING: Amendment 39-8154. Docket No. 91-NM-145-AD. Applicability: Model 747 series airplanes, listed in Boeing Service Bulletin 747-25- 2754, dated March 30, 1989, certificated in any category. Compliance: Required within the next 24 months after the effective date of this AD, unless previously accomplished. To prevent the girt bar end fittings from disengaging the girt bar floor brackets, accomplish the following: (a) Replace the girt bar floor brackets with modified brackets, in accordance with Boeing Service Bulletin 747-25-2754, dated March 30, 1989. (b) An alternative method 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 (ACO), FAA, Transport Airplane Directorate. NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Seattle ACO. (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD. (d) The replacement requirements of this AD shall be done in accordance with Boeing Service Bulletin 747-25-2754, dated March 30, 1989. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington; or at the Office of the Federal Register, 1100 L Street N.W., Room 8401, Washington, D.C. (e) This amendment (39-8154, AD 92-02-17) becomes effective on March 2, 1992. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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