Airworthiness directives › 99-22-04
AD 99-22-04 Airworthiness Directives; Bombardier Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 Series Airplanes
Models named: DHC-8-102, -103, -106, -201, -202, -301, - 311, -315 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model DHC-8-102, -103, -106, -201, -202, -301, - 311, and -315 series airplanes; serial numbers 459 through 501, excluding serial numbers 462, 464, 467, 469, 478, 479, 481, 482, 487, 489, 490, 491, 493, 495, 498, 499, and 500; 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 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 (b) 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. [[Page 56960]]
Compliance
Required as indicated, unless accomplished previously. To prevent the pilots from having full authority over the cabin emergency lights, which could result in delayed egress of the passengers and crew from the cabin during an emergency evacuation, accomplish the following: Modification (a) For airplanes on which Bombardier Modification 8/2407 has been installed during production: Within 12 months after the effective date of this AD, modify the wiring of the emergency lighting system in accordance with Bombardier Service Bulletin S.B. 8-33-40, Revision ``B,'' dated October 21, 1998. Note 2: Modification of the wiring of the emergency lighting system accomplished prior to the effective date of this AD in accordance with Bombardier Service Bulletin S.B. 8-33-40, dated May 8, 1998, or Revision ``A,'' dated July 28, 1998, is considered acceptable for compliance with the modification required by paragraph (a) of this AD. Alternative Methods of Compliance (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, 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 International Branch, ANM-116. Note 3: 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 (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. Incorporation by Reference (d) The modification shall be done in accordance with Bombardier Service Bulletin S.B. 8-33-40, Revision ``B,'' dated October 21, 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 Bombardier, Inc., Bombardier Regional Airplane Division, Garratt Boulevard, Downsview, Ontario M3K 1Y5, Canada. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Engine and Propeller Directorate, New York Airplane Certification Office, 10 Fifth Street, Third Floor, Valley Stream, New York; 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 Canadian airworthiness directive CF-98-33, dated September 8, 1998. (e) This amendment becomes effective on November 26, 1999. Issued in Renton, Washington, on October 14, 1999. D.L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 99-27327 Filed 10-21-99; 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