Airworthiness directives › 99-27-11
AD 99-27-11 Airworthiness Directives; British Aerospace Model BAC 1-11 200 and 400 Series Airplanes
Models named: BAC 1-11 200, 400 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
All Model BAC 1-11 200 and 400 series airplanes, certificated in any category. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For [[Page 209]] airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/ operator must request approval for an alternative method of compliance in accordance with paragraph (e) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required as indicated, unless accomplished previously. To provide the flight crew with procedures in the event of uncommanded deployment of the thrust reverser and to prevent uncommanded deployment of the thrust reverser in flight or on the ground, which could result in reduced controllability of the airplane, accomplish the following: (a) Within 30 days after the effective date of this AD, perform an inspection for proper rigging of the thrust reverser cable drums, in accordance with British Aerospace Alert Service Bulletin 76-A- PM6043, Issue No. 1, dated September 18, 1998. If any drum is found to be improperly rigged, prior to further flight, accomplish the adjustments specified in paragraph 3, ``Adjustments,'' of the alert service bulletin. (b) Prior to further flight after accomplishing the inspection required by paragraph (a) of this AD, perform an inspection for proper rigging of the thrust reverser selector valve detent, in accordance with Rolls-Royce Spey Service Bulletin Sp78-131, dated September 1998. If any discrepancy is found, prior to further flight, accomplish the adjustments specified in paragraph 3, ``Adjustments,'' of the service bulletin. (c) Within 30 days after the effective date of this AD, revise the Emergency and Abnormal Procedures Sections of the FAA-approved Airplane Flight Manual (AFM) by inserting, into the applicable sections of the AFM, British Aerospace Advance Amendment Bulletin No. 12 (for Model 400 series airplanes) or No. 16 (for Model 200 series airplanes), as applicable; both dated August 19, 1997. (d) Within 12 months after the effective date of this AD, replace the thrust reverser control unit selector valve with a new or modified selector valve in accordance with British Aerospace Service Bulletin 78-PM6047, Revision 1, dated November 27, 1998. Alternative Methods of Compliance (e) 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, International Branch, ANM-116, 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, International Branch, ANM-116. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the International Branch, ANM-116. Special Flight Permits (f) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. Incorporation by Reference (g) The actions shall be done in accordance with British Aerospace Alert Service Bulletin 76-A-PM6043, Issue No. 1, dated September 18, 1998; Rolls-Royce Spey Service Bulletin Sp78-131, dated September 1998; British Aerospace Service Bulletin 78-PM6047, Revision 1, dated November 27, 1998; British Aerospace Advance Amendment Bulletin No. 12, dated August 19, 1997; and British Aerospace Advance Amendment Bulletin No. 16, dated August 19, 1997. 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, Service Support, Airbus Limited, P.O. Box 77, Bristol BS99 7AR, England. 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. Note 3: The subject of this AD is addressed in British airworthiness directives 002-09-98 and 005-11-98. (h) This amendment becomes effective on February 8, 2000. Issued in Renton, Washington, on December 23, 1999. Vi L. Lipski, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 00-10 Filed 1-3-00; 8:45 am] BILLING CODE 4910-13-U
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1