AD 2011-21-04 Airworthiness Directives; Bombardier Inc. Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 Airplanes; Equipped With Certain Cockpit Door Installations

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 (S/Ns) 003 through 557 inclusive; equipped with cockpit door installation part numbers (P/Ns) identified in table 1 of this AD. Table 1—Cockpit Door Installations Affected by This AD P/N Dash number(s) 82510074 All. 82510294 All. 82510310 -001. 8Z4597 -001. H85250010 All. 82510700 All. 82510704 All except −502 and −503.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Restatement of Requirements of AD 2006-12-16 Amendment 39-14642 (71 FR 34006, June 13, 2006), With New Service Information Modification (g) Within 24 months after July 18, 2006 (the effective date of AD 2006-12-16 Amendment 39-14642 (71 FR 34006, June 13, 2006)), modify the cockpit door from a single-point attachment to a two-point attachment in accordance with the Accomplishment Instructions of the applicable service bulletin in table 2 of this AD. For airplane serial numbers 452, 464, 490, 506, and 508 through 557 inclusive: After the effective date of this AD, use Bombardier Service Bulletin 8-52-58, Revision A, dated November 17, 2006. Table 2—Bombardier Service Bulletins for Modification Required by Paragraph (g) of This AD Use this Bombardier Service Bulletin— For airplane serial numbers— 8-52-54, Revision A, dated November 5, 2004 003 through 451 inclusive, 453 through 463 inclusive, 465 through 489 inclusive, 491 through 505 inclusive, and 507. 8-52-58, dated May 12, 2004, or Revision A, dated November 17, 2006 452, 464, 490, 506, and 508 through 557 inclusive. Note 1: Bombardier Service Bulletin 8-52-54, Revision A, dated November 5, 2004, refers to Bombardier Series 100/300 Modification Summary (Modsum) 8Q100859 as an additional source of guidance for installing a hinge pin with a two-point attachment. Bombardier Service Bulletin 8-52-58, dated May 12, 2004, or Revision A, dated November 17, 2006, refers to Bombardier Series 100/300 Modsum 8Q900267 as an additional source of guidance for reworking and installing the cockpit door, and reworking the lower hinge attachment to provide a downward-facing pin with a two-point attachment. Prior/Concurrent Requirements (h) Prior to or concurrently with the modification in paragraph (g) of this AD, do the applicable actions specified in table 3 of this AD, in accordance with a method approved by either the Manager, New York Aircraft Certification (ACO), FAA; or Transport Canada Civil Aviation (TCCA) (or its delegated agent). Table 3—Bombardier Service Bulletins for Requirements of Paragraph (h) of This AD For airplanes affected by Bombardier Service Bulletin— That have these serial numbers— Do these actions— 8-52-54, Revision A, dated November 5, 2004 003 through 407 inclusive, 409 through 412 inclusive, and 414 through 433 inclusive Rework the cockpit door emergency release.   Install a new label regarding alternate release of the door. 8-52-58, dated May 12, 2004, or Revision A, dated November 17, 2006 452, 464, 490, 506, and 508 through 557 inclusive Install the cockpit door. Note 2: Bombardier Service Bulletin 8-52-54, Revision A, dated November 5, 2004, refers to De Havilland Aircraft of Canada, Limited, Modification 8/2337 as an additional source of guidance for reworking the cockpit door emergency release; and Modification 8/3339 as additional source of guidance for installing a new label regarding alternate release of the door; on airplanes having serial numbers 003 through 407 inclusive, 409 through 412 inclusive, and 414 through 433 inclusive. Note 3: Bombardier Service Bulletins 8-52-58, dated May 12, 2004; and Revision A, dated November 17, 2006; refer to Bombardier Modsum 8Q200015, as an additional source of guidance for installing the cockpit door, on airplanes having serial numbers 452, 464, 490, 506, and 508 through 557 inclusive. Actions Done in Accordance With Previous Revision of Service Bulletin (i) Actions done before July 18, 2006, in accordance with Bombardier Service Bulletin 8-52-54, dated May 12, 2004, are acceptable for compliance with the corresponding requirements in paragraph (g) of this AD. New Requirements of This AD (j) For airplanes having S/N 452, 464, 490, 506, and 508 through 557 inclusive, and on which the requirements in paragraph (g) of this AD have been done as of the effective date of this AD: Within 12 months after the effective date of this AD rework the cockpit door striker plate and replace the latch block, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 8-52-61, dated October 20, 2006. (k) For airplanes having S/Ns 452, 464, 490, 506, and 508 through 557 inclusive, and on which the requirements in paragraph (g) of this AD have not been done as of the effective date of this AD: Prior to or concurrently with doing the modification required in paragraph (g) of this AD, rework the cockpit door striker plate and replace the latch block, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 8-52-61, dated October 20, 2006. FAA AD Differences Note 4: This AD differs from the MCAI and/or service information as follows: No differences. Other FAA AD Provisions (l) The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, New York Aircraft Certification Office, ANE-170, 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 ACO, send it to ATTN: Program Manager, Continuing Operational Safety, FAA, New York ACO, 1600 Stewart Avenue, Suite 410, Westbury, New York 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. The AMOC approval letter must specifically reference this AD. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service. Related Information (m) Refer to MCAI Canadian Airworthiness Directive CF-2005-34R1, dated August 15, 2007; Bombardier Service Bulletin 8-52-54, Revision A, dated November 5, 2004; Bombardier Service Bulletin 8-52-58, Revision A, dated November 17, 2006; and Bombardier Service Bulletin 8-52-61, dated October 20, 2006; for related information. Material Incorporated by Reference (n) You must use the following service information to do the applicable actions required by this AD, unless the AD specifies otherwise. The Director of the Federal Register approved the incorporation by reference (IBR) under 5 U.S.C. 552(a) and 1 CFR Part 51 of the following service information on the date specified: (1) Bombardier Service Bulletin 8-52-58, Revision A, dated November 17, 2006, approved for IBR November 16, 2011; (2) Bombardier Service Bulletin 8-52-61, dated October 20, 2006, approved for IBR November 16, 2011; (3) Bombardier Service Bulletin 8-52-54, Revision A, dated November 5, 2004, approved for IBR July 18, 2006 (71 FR 34006, June 13, 2006). (4) For service information identified in this AD, contact Bombardier Inc., Q-Series Technical Help Desk, 123 Garratt Boulevard, Toronto, Ontario M3K 1Y5, Canada; telephone 416-375-4000; fax 416-375-4539; e-mail thd.qseries@aero.bombardier.com ; Internet http://www.bombardier.com . (5) You may review copies of the service information at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington. For information on the availability of this material at the FAA, call 425-227-1221. (6) You may also review copies of the service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at 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 September 23, 2011. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2011-25770 Filed 10-11-11; 8:45 am] BILLING CODE 4910-13-P