AD 92-11-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | BH.125 Series 400A | BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A | BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A-522 | BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A/R-522 | BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A/S-522 | BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A | BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A/R | BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A/RA | BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models |
| aircraft | Textron Aviation Inc. | DH.125 Series 400A | BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models |
Unsafe Condition
Reduced structural integrity of the wings due to cracks in countersunk bolt holes in the wing skins and internal stringers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 3 months after the AD's effective date, perform eddy current inspections on specified wing areas every 4 years or 2,200 flights, whichever comes first. If cracks are found, conduct dye penetrant inspections and repair cracks per SB 57-75 or approved method if exceeding limits.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 3 months after the effective date of this AD, and thereafter at intervals not to exceed 4 years or 2,200 flights, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
British Aerospace Model DH/BH/HS 125 series airplanes excluding Models 125-600A, 700A, 800A, and 1000A series, as listed in SB 57-75.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Eddy Current Inspection
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_92-11-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 92-11-03 Document Type: AD Final Rules Docket Number: 91-NM-280-AD Subject Heading: BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models Subject: Eddy Current Inspection Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/09/1992 Make: Textron Aviation Inc. Model: BH.125 Series 400A | DH.125 Series 1A | DH.125 Series 1A-522 | DH.125 Series 1A/R-522 | DH.125 Serie...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: 92-11-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 91-NM-280-AD AMENDMENT: 39-8253 AD NUMBER: 92-11-03 SUBJECT HEADING: BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models ACTION: SUMMARY: DATES: Effective July 9, 1992. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 92-11-03 BRITISH AEROSPACE: Amendment 39-8253. Docket No. 91-NM-280-AD. Applicability: British Aerospace Model DH/BH/HS 125 series airplanes, excluding Models 125-600A, 700A, 800A, and 1000A series airplanes; as listed in British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991; certificated in any category. Compliance: Required as indicated, unless accomplished previously. To prevent reduced structural integrity of the wings, accomplish the following: (a) Within 3 months after the effective date of this AD, and thereafter at intervals not to exceed 4 years or 2,200 flights, whichever occurs first, perform an eddy current inspection on specified areas of the left and right wing upper skins to detect cracks in countersunk bolt holes in the wing skins and in the internal stringers, in accordance with British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991. (b) If cracks are discovered as a result of the eddy current inspection required by paragraph (a) of this AD, prior to further flight, perform a dye penetrant inspection, in accordance with British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991. (c) If cracks are discovered as a result of either the eddy current inspections required by paragraph (a) of this AD, or the dye penetrant inspection required by paragraph (b) of this AD, prior to further flight, repair the crack(s) as follows: (1) Cracks that do not exceed the limits specified in British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991, must be repaired in accordance with the procedures in the Service Bulletin. (2) Cracks that exceed the limits specified in British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991, must be repaired in accordance with a method approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. (d) 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, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. The request shall be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113. (e) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished. (f) The inspections and repairs shall be done in accordance with British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991. 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 British Aerospace, PLC. Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington D.C. 20041-0414. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, DC. (g) This amendment becomes effective on July 9, 1992. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_92-11-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 92-11-03 Document Type: AD Final Rules Docket Number: 91-NM-280-AD Subject Heading: BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models Subject: Eddy Current Inspection Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/09/1992 Make: Textron Aviation Inc. Model: BH.125 Series 400A | DH.125 Series 1A | DH.125 Series 1A-522 | DH.125 Series 1A/R-522 | DH.125 Serie...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: 92-11-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 91-NM-280-AD AMENDMENT: 39-8253 AD NUMBER: 92-11-03 SUBJECT HEADING: BRITISH AEROSPACE Model DH/BH/HS 125 Series Airplanes, Excluding Certain Models ACTION: SUMMARY: DATES: Effective July 9, 1992. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 92-11-03 BRITISH AEROSPACE: Amendment 39-8253. Docket No. 91-NM-280-AD. Applicability: British Aerospace Model DH/BH/HS 125 series airplanes, excluding Models 125-600A, 700A, 800A, and 1000A series airplanes; as listed in British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991; certificated in any category. Compliance: Required as indicated, unless accomplished previously. To prevent reduced structural integrity of the wings, accomplish the following: (a) Within 3 months after the effective date of this AD, and thereafter at intervals not to exceed 4 years or 2,200 flights, whichever occurs first, perform an eddy current inspection on specified areas of the left and right wing upper skins to detect cracks in countersunk bolt holes in the wing skins and in the internal stringers, in accordance with British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991. (b) If cracks are discovered as a result of the eddy current inspection required by paragraph (a) of this AD, prior to further flight, perform a dye penetrant inspection, in accordance with British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991. (c) If cracks are discovered as a result of either the eddy current inspections required by paragraph (a) of this AD, or the dye penetrant inspection required by paragraph (b) of this AD, prior to further flight, repair the crack(s) as follows: (1) Cracks that do not exceed the limits specified in British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991, must be repaired in accordance with the procedures in the Service Bulletin. (2) Cracks that exceed the limits specified in British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991, must be repaired in accordance with a method approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. (d) 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, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. The request shall be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113. (e) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished. (f) The inspections and repairs shall be done in accordance with British Aerospace Service Bulletin S.B. 57-75, dated July 30, 1991. 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 British Aerospace, PLC. Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington D.C. 20041-0414. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, DC. (g) This amendment becomes effective on July 9, 1992. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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