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Amendment 39-21420; Docket No. FAA-2020-0843; Product Identifier 2020-NM-073-AD.
(a) EFFECTIVE DATE This airworthiness directive (AD) is effective March 30, 2021. (b) AFFECTED ADS None. (c) APPLICABILITY This AD applies to Bombardier, Inc., Model BD-700-1A10 airplanes, certificated in any category, serial numbers 9002, 9003, 9011, 9016, 9020, 9022 through 9025 inclusive, 9029, 9031, 9032, 9036, 9039 through 9044 inclusive, 9046 through 9058 inclusive, 9060 through 9065 inclusive, 9067 through 9081 inclusive, 9083 through 9106 inclusive, 9108 through 9122 inclusive, 9124 through 9126 inclusive, 9128, 9129, 9133, 9134, 9136 through 9139 inclusive, 9141 through 9148 inclusive, 9150, 9151, 9153, 9159, 9162, 9163, 9165, and 9169. (d) SUBJECT Air Transport Association (ATA) of America Code 33, Lights. (e) REASON This AD was prompted by a report of smoke and signs of an overheating condition from the emergency light battery (ELB) due to excessive corrosion surrounding the internal lead acid batteries, which caused an electrical short circuit that led to the smoke and overheating condition. The FAA is issuing this AD to address such conditions, which could cause fire onboard the airplane. (f) COMPLIANCE Comply with this AD within the compliance times specified, unless already done. (g) INSPECTION AND CORRECTIVE ACTION Within 15 months after the effective date of this AD, inspect the ELB to determine the last replacement date or the manufacturing date, as applicable; if during this inspection, any date is found to be 4 years or older, replace the ELB before further flight. Do the actions in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 700-33-024, dated May 13, 2019. For airplanes on which the restoration task specified in paragraph (h) of this AD was done before the effective date of this AD, the requirements of paragraph (g) of this AD are not required. (h) MAINTENANCE OR INSPECTION PROGRAM REVISION Within 60 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to include the information specified in Bombardier BD-700 Supplemental Time Limits/Maintenance Checks (STLMC) Chapter 5 task number 33-51- 54-603, "Restoration of the Emergency Lighting Batteries (XL245-B Emergency Battery System)," in the Bombardier BD-700 STLMC, as specified in the applicable temporary revision identified in figure 1 to paragraph (h) of this AD. The initial compliance time for doing task 33-51-54-603 is at the applicable time specified in paragraph (h)(1) or (2) of this AD. Repeat task 33-51-54-603 thereafter at the interval specified within that task. (1) If both ELBs were replaced at the time of compliance with paragraph (g) of this AD: Within 48 months after the ELB replacement. (2) If neither ELB, or only one ELB, was replaced at the time of compliance with paragraph (g) of this AD: Within 48 months after the applicable date specified in paragraph (h)(2)(i) or (ii) of this AD. (i) For each ELB, use the battery replacement date, if it is indicated. (ii) For each ELB, use the date of manufacture, if it does not have a battery replacement date indicated. FIGURE 1 TO PARAGRAPH (H) – SERVICE INFORMATION ______________________________________________________________________ AIRPLANE SERIAL NUMBER TEMPORARY REVISION (TR) ______________________________________________________________________ 9002, 9003, 9011, 9016, 9020, Bombardier Global 9022 through 9025 inclusive, Express BD-700 9029, 9031, 9032, 9036, 9039 STLMC TR through 9044 inclusive, 9046 05-19091701, dated through 9058 inclusive, 9060 September 17, 2019 through 9065 inclusive, 9067 through 9081 inclusive, 9083 through 9106 inclusive, 9108 through 9122 inclusive, and 9124 9125, 9126, 9128, 9129, 9133, Bombardier Global 9134, 9136 through 9139 inclusive, Express BD-700 9141 through 9148 inclusive, 9150, STLMC TR 9151, and 9153 05-19091704, dated September 17, 2019 9159, 9162, 9163, 9165, and 9169 Bombardier Global Express XRS BD-700 STLMC TR 05-19091705, dated September 17, 2019 ______________________________________________________________________ (i) MISIDENTIFIED RESTORATION TASK The following temporary revisions misidentified the required restoration task as task "33-51-54-602." (1) Bombardier Global Express XRS BD-700 STLMC Temporary Revision 05- 19032701, dated March 27, 2019. (2) Bombardier Global Express BD-700 STLMC Temporary Revision 05-19040301, dated April 3, 2019. (3) Bombardier Global Express BD-700 STLMC Temporary Revision 05-19040401, dated April 4, 2019. (j) COMPLIANCE WITH RESTORATION TASK FOR AIRPLANES ON WHICH THE MISIDEN- TIFIED TASK WAS ACCOMPLISHED For airplanes on which the restoration task specified as task "33-51- 54-602" in the applicable temporary revision identified in paragraph (i) of this AD was done before the effective date of this AD: (1) The actions specified in paragraph (g) of this AD are not required. (2) The initial accomplishment of the task specified in paragraphs (h)(1) and (2) of this AD is not required. (3) Task 33-51-54-603 must be done within 48 months after task "33-51-54- 602" was accomplished, and thereafter at the intervals specified in task 33-51-54-603. (k) NO ALTERNATIVE ACTIONS AND INTERVALS After the existing maintenance or inspection program has been revised as required by paragraph (h) of this AD, no alternative actions (e.g., inspections) and 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 (l)(1) of this AD. (l) 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 instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, New York ACO Branch, FAA; or Transport Canada Civil Aviation (TCCA); or Bombardier's TCCA Design Approval Organization (DAO). If approved by the DAO, the approval must include the DAO-authorized signature. (m) RELATED INFORMATION (1) Refer to Mandatory Continuing Airworthiness Information (MCAI) Canad- ian AD CF-2020-07, dated March 17, 2020, for related information. This MCAI may be found in the AD docket on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2020-0843. (2) For more information about this AD, contact Thomas Niczky, Aerospace Engineer, Avionics and Electrical Systems Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7347; fax 516-794-5531; email email@example.com. (n) MATERIAL INCORPORATED BY REFERENCE (1) The Director of the Federal Register approved the incorporation by reference (IBR) 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 Service Bulletin 700-33-024, dated May 13, 2019. (ii) Bombardier Global Express BD-700 Supplemental Time Limits/Maintenance Checks (STLMC) Temporary Revision (TR) 05-19091701, dated September 17, 2019. (iii) Bombardier Global Express BD-700 STLMC TR 05-19091704, dated September 17, 2019. (iv) Bombardier Global Express XRS BD-700 STLMC TR 05-19091705, dated Sep- tember 17, 2019. (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 firstname.lastname@example.org; internet https://www.bombardier.com. (4) You may view this service information at the FAA, Airworthiness Prod- ucts 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 refer- ence at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email email@example.com, or go to: https://www.archives.gov/federal -register/cfr/ibr-locations.html. Issued on January 29, 2021. Gaetano A. Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Aircraft Certification Service. FOR FURTHER INFORMATION CONTACT: Thomas Niczky, Aerospace Engineer, Avionics and Electrical Systems Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7347; fax 516-794-5531; email firstname.lastname@example.org.
DEPARTMENT OF TRANSPORTATION
Estimated Costs for Required Actions
The FAA has determined that revising the existing maintenance or