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Docket No. FAA-2019-0019; Product Identifier 2018-NM-130-AD.
(a) COMMENTS DUE DATE We must receive comments by April 8, 2019. (b) AFFECTED ADS None. (c) APPLICABILITY This AD applies to Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes, certificated in any category, serial numbers 9002 through 9831 inclusive, and 9998. (d) SUBJECT Air Transport Association (ATA) of America Code 24, Electrical Power. (e) REASON This AD was prompted by reports of low clearance between the variable frequency generator (VFG) power feeder cables and adjacent hydraulic lines and/or fuel lines in the aft equipment bay, which could cause chafing damage. We are issuing this AD to address this unsafe condition, which could result in a hydraulic/fuel leak and electrical arcing as an ignition source, and could cause an in- flight fire. (f) COMPLIANCE Comply with this AD within the compliance times specified, unless already done. (g) ROUTING MODIFICATION Within 24 months after the effective date of this AD: Modify the routing of the VFG power feeder cables and harnesses in the aft equipment bay to ensure the required clearance between the cables and the hydraulic lines and/or fuel lines, in accordance with the Accomplishment Instructions of the applicable service information listed in figure 1 to paragraph (g) of this AD. ILLUSTRATION FIGURE 1 TO PARAGRAPH (G) OF THIS AD SERVICE INFORMATION FOR MODIFICATION (h) CREDIT FOR PREVIOUS ACTIONS (1) This paragraph provides credit for the modification required by para- graph (g) of this AD for airplanes on which the modification specified in Bombardier Service Bulletin 700-24-6014, dated April 25, 2018, was performed before the effective date of this AD using Bombardier Service Request for Product Support Action (SRPSA) 000236314. (2) This paragraph provides credit for the modification required by para- graph (g) of this AD, if the modification was performed before the effective date of this AD using the service information specified in paragraphs (h)(2)(i) through (h)(2)(iv) of this AD. (i) Bombardier Service Bulletin 700-24-089, dated April 25, 2018. (ii) Bombardier Service Bulletin 700-24-6014, dated April 25, 2018. (iii) Bombardier Service Bulletin 700-1A11-24-028, dated April 25, 2018. (iv) Bombardier Service Bulletin 700-24-5014, dated April 25, 2018. (i) OTHER FAA AD PROVISIONS The following provisions also apply to this AD: (1) ALTERNATIVE METHODS OF COMPLIANCE (AMOCS): The Manager, New York ACO Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the manager of the certification office, send it to ATTN: Program Manager, Continuing Operational Safety, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7300; fax 516-794-5531. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/certificate holding district office. (2) CONTACTING THE MANUFACTURER: For any requirement in this AD to obtain corrective actions from a manufacturer, the action must be accomplished using a method approved by the Manager, New York ACO Branch, FAA; or Transport Canada Civil Aviation (TCCA); or Bombardier, Inc.'s TCCA Design Approval Organization (DAO). If approved by the DAO, the approval must include the DAO-authorized signature. (j) RELATED INFORMATION (1) Refer to Mandatory Continuing Airworthiness Information (MCAI) Canad- ian AD CF-2018-22, dated August 2, 2018, for related information. This MCAI may be found in the AD docket on the internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2019-0019. (2) For more information about this AD, contact Steven Dzierzynski, Aero- space Engineer, Avionics and Electrical Systems Services Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7367; fax 516-794-5531; email 9-avs-nyaco -firstname.lastname@example.org. (3) For service information identified in this AD, contact Bombardier, Inc., 400 Cote-Vertu Road West, Dorval, Quebec H4S 1Y9, Canada; telephone: 514-855-5000; fax: 514- 855-7401; email: email@example.com; internet: http://www.bombardier.com. You may view this service information at the FAA, Transport Standards Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206-231-3195. Issued in Des Moines, Washington, on February 1, 2019. Michael Kaszycki, Acting Director, System Oversight Division, Aircraft Certification Service. DATES: We must receive comments on this proposed AD by April 8, 2019.
DEPARTMENT OF TRANSPORTATION
Authority for This Rulemaking