AD 2004-03-15 Airworthiness Directives; Bombardier Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 Airplanes

Models named: DHC-8-102, -103, -106, -201, -202, -301, -311, -315. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to Bombardier Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 airplanes; certificated in any category; serial numbers 3 through 540 inclusive, excluding serial number 462.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Requirements of AD 2004-03-15 One-time Inspection, Corrective Action, and Modification (f) Perform a one-time general visual inspection to detect chafing of electrical wires in the cable trough below the cabin floor; install additional tie-mounts and tie-wraps; and apply sealant to rivet heads (reference Bombardier Modification 8/2705); in accordance with Bombardier Service Bulletin S.B. 8-53-66, dated March 27, 1998, at the time specified in paragraph (f)(1) or (f)(2) of this AD, as applicable. If any chafing is detected during the inspection required by this paragraph, prior to further flight, repair in accordance with the service bulletin. Note 1: For the purposes of this AD, a general visual inspection is defined as: “A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made from within touching distance unless otherwise specified. A mirror may be necessary to enhance visual access to all exposed surfaces in the inspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or droplight and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked.” (1) For airplanes having serial numbers 3 through 518 inclusive, excluding serial number 462: Inspect within 36 months after October 27, 1998 (the effective date of AD 98-20-14, amendment 39-10781). (2) For airplanes having serial numbers 519 through 540 inclusive: Inspect within 36 months after November 10, 1999 (the effective date of AD 99-21-09, amendment 39-11352, which superseded AD 98-20-14), or at the next “C” check, whichever occurs first. Modification (g) For Model DHC-8-102, -103, and -106 airplanes; and Model DHC-8-201 and -202 series airplanes: Within 36 months after March 19, 2004 (the effective date of AD 2004-03-15), modify the electrical wires in the cable trough below the cabin floor at Sections X510.00 to X580.50 (including performing a general visual inspection and any applicable repair), in accordance with Part III, paragraphs 1 through 9 and 12 through 20, of the Accomplishment Instructions of Bombardier Service Bulletin 8-53-80, Revision “A,” dated July 25, 2000. Any applicable repair must be done before further flight. Accomplishment of these actions before March 19, 2004, in accordance with Bombardier Service Bulletin 8-53-80, dated December 22, 1999, is considered acceptable for compliance with the actions required by this paragraph. Alternative Methods of Compliance (AMOCs) (h)(1) The Manager, New York Aircraft Certification Office, FAA, has the authority to approve AMOCs for this AD, if requested in accordance with the procedures found in 14 CFR 39.19. (2) Before using any AMOC approved in accordance with § 39.19 on any airplane to which the AMOC applies, notify the appropriate principal inspector in the FAA Flight Standards Certificate Holding District Office. Related Information (i) Canadian airworthiness directive CF-1998-08R2, dated July 12, 2000, also addresses the subject of this AD. Material Incorporated by Reference (j) You must use Bombardier Service Bulletin S.B. 8-53-66, dated March 27, 1998; and Bombardier Service Bulletin 8-53-80, Revision “A,” dated July 25, 2000; as applicable, to perform the actions that are required by this AD, unless the AD specifies otherwise. (1) On March 19, 2004 (69 FR 7111, February 13, 2004), the Director of the Federal Register approved the incorporation by reference of Bombardier Service Bulletin 8-53-80, Revision “A,” dated July 25, 2000. (2) The incorporation by reference of Bombardier Service Bulletin S.B. 8-53-66, dated March 27, 1998, was approved previously by the Director of the Federal Register as of October 27, 1998 (63 FR 50501, September 22, 1998). (3) Contact Bombardier, Inc., Bombardier Regional Aircraft Division, 123 Garratt Boulevard, Downsview, Ontario M3K 1Y5, Canada, for a copy of this service information. You may review copies at the Docket Management Facility, U.S. Department of Transportation, 400 Seventh Street, SW., Room PL-401, Nassif Building, Washington, DC; on the Internet at http://dms.dot.gov; or at the National Archives and Records Administration (NARA). For information on the availability of this material at the NARA, call (202) 741-6030, or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. Issued in Renton, Washington, on April 19, 2006. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 06-4050 Filed 5-1-06; 8:45 am] BILLING CODE 4910-13-P

This AD results from a report indicating that the modification of electrical wires does not need to be done on certain airplanes subject to the existing AD. We are issuing this AD to prevent chafing of electrical wires, which could result in an uncommanded shutdown of an engine during flight.