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AD 92-22-04 ACTIVE

In-Flight Fire Hazard
Key Information
AD Number 92-22-04 Status Active
Effective Date November 24, 1992 Issue Date Not specified
Docket Number 92-NM-58-AD Amendment 39-8390
Product Type ["Aircraft"] Product Subtype ["Large Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) Textron Aviation Inc.
Model(s) BH.125 Series 400A DH.125 Series 1A DH.125 Series 1A-522 DH.125 Series 1A/R-522 DH.125 Series 1A/S-522 DH.125 Series 3A DH.125 Series 3A/R DH.125 Series 3A/RA DH.125 Series 400A
Regulatory Text

92-22-04 BRITISH AEROSPACE: Amendment 39-8390. Docket No. 92-NM-58-AD.

Applicability: Model DH/HS/BH 125 series airplanes, excluding all turbo fan engine-powered Model 125-600A, 125-700A, 125-800A, and 125-1000A series airplanes; as listed in British Aerospace Service Bulletin SB 28-87, dated December 31, 1991; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent an in-flight fire hazard in the rear equipment bay, accomplish the following:

(a) Within 6 months after the effective date of this AD, accomplish a visual inspection for proper alignment of fuel feed pipes at pipe joint couplings, in accordance with British Aerospace Service Bulletin SB 28-87, dated December 31, 1991.

(1) If misalignment is detected outside the specifications cited in the service bulletin, prior to further flight, correct the alignment by installing an "O" ring modification and fuel pipe clamping modification, in accordancewith the service bulletin.

(2) If misalignment is not detected outside the specifications cited in the service bulletin, no further action is necessary.

(b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Standardization Branch, ANM-113.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113.

(c) 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.

(d) The inspection and modification shall be done in accordance with British Aerospace Service Bulletin SB 28-87, dated December 31, 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, DC. 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, 800 North Capitol Street, NW., suite 700, Washington, DC.

(e) This amendment becomes effective on November 24, 1992.