Airworthiness directives › 99-04-21
AD 99-04-21 Airworthiness Directives; British Aerospace Jetstream Models 3101 and 3201 Airplanes
Models named: 3101, 3201. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
The following aircraft, certificated in any category: --Jetstream Model 3101 airplanes, all serial numbers, that have Jetstream Kit JK12097 or Jetstream Service Bulletin 32-JK12097 incorporated; and --Jetstream Model 3201 airplanes, all serial numbers, that are equipped with Dunlop AH54450 brake units. Note 1: Jetstream Kit JK12097 and Jetstream Service Bulletin 32- JK12097 include the procedures necessary to incorporate J3200 series wheels with 12-ply rated tires and brakes for Jetstream Model 3101 airplanes. Note 2: 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 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 (d) 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 in the body of this AD, unless already accomplished. To prevent failure of the main landing gear brakes because the wear indicator pins present a false indication of the remaining wear of the brake units, which could result in loss of control of the airplane during takeoff, landing, or taxi operations, accomplish the following: (a) Within the next 30 calendar days after the effective date of this AD, inspect the main landing gear brake units for correct setting of the wear indicator pins, in accordance with the instructions in PART 2 of British Aerospace Jetstream Alert Service Bulletin 32-A-JA980540, ORIGINAL ISSUE: July 6, 1998. Prior to further flight, re-set the pins if the existing setting is incorrect, in accordance with the service bulletin. (b) As of the effective date of this AD, no person may install Dunlop AH54450 brake units on any Jetstream Model 3201 airplane or incorporate Jetstream Kit JK12097 and Jetstream Service Bulletin 32- JK12097 on any Jetstream 3101 airplane, unless the inspection and possible follow-up requirements of paragraph (a) of this AD have been accomplished on the parts. (c) 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. (d) An alternative method of compliance or adjustment of the compliance times that provides an equivalent level of safety may be approved by the Manager, Small Airplane Directorate, Aircraft Certification Service, 1201 Walnut, suite 900, Kansas City, Missouri 64106. The request shall be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Small Airplane Directorate. Note 3: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Small Airplane Directorate. (e) Questions or technical information related to British Aerospace Jetstream Alert Service Bulletin 32-A-JA980540, ORIGINAL ISSUE: July 6, 1998, should be directed to British Aerospace Regional Aircraft, Prestwick International Airport, Ayrshire, KA9 2RW, Scotland; telephone: (01292) 479888; facsimile: (01292) 479703. This service information may be examined at the FAA, Central Region, Office of the Regional Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri 64106. (f) The inspection and modification required by this AD shall be done in accordance with British Aerospace Jetstream Alert Service Bulletin 32-A-JA980540, ORIGINAL ISSUE: July 6, 1998. 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 Regional Aircraft, Prestwick International Airport, Ayrshire, KA9 2RW, Scotland. Copies may be inspected at the FAA, Central Region, Office of the Regional Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 800 North Capitol Street, NW, suite 700, Washington, DC. Note 4: The subject of this AD is addressed in British AD 003- 07-98, dated July 13, 1998. (g) This amendment becomes effective on April 2, 1999. Issued in Kansas City, Missouri, on February 9, 1999. Marvin R. Nuss, Acting Manager, Small Airplane Directorate, Aircraft Certification Service. [FR Doc. 99-3888 Filed 2-19-99; 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