2023-09-02: Fire Protection

1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. 2. The FAA amends § 39.13 by adding the following new airworthiness directive: 2023-09-02 MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.): Amendment 39-22425; Docket No. FAA-2023-0167; Project Identifier MCAI-2022-00762-T. (a) Effective Date This airworthiness directive (AD) is effective June 26, 2023. (b) Affected ADs None. (c) Applicability This AD applies to all MHI RJ Aviation ULC (Type Certificate previously held by Bombardier, Inc.) airplanes identified in paragraphs (c)(1) through (6) of this AD, certificated in any category. (1) Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. (2) Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes. (3) Model CL-600-2C11 (Regional Jet Series 550) airplanes. (4) Model CL-600-2D15 (Regional Jet Series 705) airplanes. (5) Model CL-600-2D24 (Regional Jet Series 900) airplanes. (6) Model CL-600-2E25 (Regional Jet Series 1000) airplanes. (d) Subject Air Transport Association (ATA) of America Code 26, Fire Protection. (e) Reason This AD was prompted by a determination that new or more restrictive aircraft maintenance manual (AMM) tasks and certification maintenance requirement (CMR) tasks are necessary. The FAA is issuing this AD to address undetected loss of fire extinguishing capability for the engine, APU, or cargo compartment. The unsafe condition, if not addressed, could result in an inability to put out a fire in the engine, APU, or cargo compartment area. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Existing Maintenance or Inspection Program Revision for Model CL-600-2B19 Airplanes For Model CL-600-2B19 airplanes: Within 60 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the information specified in Bombardier Temporary Revisions 2A-73 and 2A-74, both dated June 5, 2020. The initial compliance time for doing the tasks is at the applicable times specified in Bombardier Temporary Revisions 2A-73 and 2A-74, both dated June 5, 2020, or within 60 days after the effective date of this AD, whichever occurs later. (h) Existing Maintenance or Inspection Program Revision for Other Model Airplanes For airplanes identified in paragraphs (c)(2) through (6) of this AD: (1) Within 60 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the information specified in Figure 1 to paragraph (h)(1) of this AD. The initial compliance time for doing the task is at the applicable time specified in paragraph (h)(1)(i) or (ii) of this AD. (i) If a restoration (previously called a hydrostatic test) of any cargo compartment fire extinguisher bottle was accomplished on or before June 5, 2014, do the applicable maintenance task on that bottle within 48 months after the effective date of this AD. (ii) If a restoration (previously called a hydrostatic test) of any cargo compartment fire extinguisher bottle was accomplished after June 5, 2014, do the applicable maintenance task on that bottle within 10 years after the most recent restoration was accomplished. Figure 1 to paragraph (h)(1)- AMM task for the cargo fire extinguisher bottle ER22MY23.002 (2) Within 60 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the information specified in Figure 2 to paragraph (h)(2) of this AD. The initial compliance time for doing the task is at the applicable time specified in paragraph (h)(2)(i) or (ii) of this AD. (i) If a restoration (previously called a hydrostatic test) of any engine or auxiliary power unit (APU) fire extinguisher bottle was accomplished on or before June 5, 2014, do the applicable maintenance task on that bottle within 48 months after the effective date of this AD. (ii) If a restoration (previously called a hydrostatic test) of any engine or APU fire extinguisher bottle was accomplished after June 5, 2014, do the applicable maintenance task on that bottle within 10 years after the most recent restoration was accomplished. Figure 2 to paragraph (h)(2)- AMM tasks for the engine and APU fire extinguisher bottles ER22MY23.003 (i) No Alternative Actions or Intervals After the existing maintenance or inspection program has been revised as required by paragraphs (g) and (h) of this AD, no alternative actions ( e.g., inspections) or intervals may be used unless the actions and intervals are approved as an alternative method of compliance (AMOC) in accordance with the procedures specified in paragraph (j)(1) of this AD. (j) 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 responsible Flight Standards 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. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office. (2) Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, New York ACO Branch, FAA; or Transport Canada; or MHI RJ Aviation ULC's Transport Canada Design Approval Organization (DAO). If approved by the DAO, the approval must include the DAO-authorized signature. (k) Additional Information (1) Refer to Transport Canada AD CF-2022-32, dated June 13, 2022, for related information. This Transport Canada AD may be found in the AD docket at regulations.gov under Docket No. FAA-2023-0167. (2) For more information about this AD, contact Gabriel Kim, Aerospace Engineer, Mechanical Systems and Administrative Services Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7300; email 9-avs-nyaco-cos@faa.gov. (l) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this service information as applicable to do the actions required by this AD, unless this AD specifies otherwise. (i) Bombardier Temporary Revision 2A-73, dated June 5, 2020. (ii) Bombardier Temporary Revision 2A-74, dated June 5, 2020. (3) For service information identified in this AD, contact MHI RJ Aviation Group, Customer Response Center, 3655 Ave. des Grandes-Tourelles, Suite 110, Boisbriand, Québec J7H 0E2 Canada; North America toll-free telephone 833-990-7272 or direct-dial telephone 450-990-7272; fax 514-855-8501; email thd.crj@mhirj.com; website mhirj.com. (4) You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206-231-3195. (5) You may view this 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, email fr.inspection@nara.gov, or go to: www.archives.gov/federal-register/cfr/ibr-locations.html. Issued on April 28, 2023. Gaetano A. Sciortino, Acting Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2023-10787 Filed 5-19-23; 8:45 am]BILLING CODE 4910-13-P