2021-16-12: Instrument Panel

The Amendment \n\n\n\tAccordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: \n\nPART 39--AIRWORTHINESS DIRECTIVES \n\n0 1. The authority citation for part 39 continues to read as follows: \n\n\n\tAuthority: 49 U.S.C. 106(g), 40113, 44701. \n\n\n\nSec. 39.13 (Amended) \n\n0 2. The FAA amends Sec. 39.13 by adding the following new airworthiness directive: \n\n2021-16-12 Bell Textron Canada Limited: Amendment 39-21674; Docket No. FAA-2021-0377; Project Identifier MCAI-2021-00380-R. \n\n(a) Effective Date \n\n\n\tThis airworthiness directive (AD) is effective October 13, 2021. \n\n(b) Affected ADs \n\n\n\tNone. \n\n(c) Applicability \n\n\n\tThis AD applies to Bell Textron Canada Limited Model 505 helicopters, certificated in any category, with serial numbers (S/ Ns) 65011 through 65023 inclusive, 65025 through 65028 inclusive, 65030 through 65032 inclusive, 65034, and 65036 with relay panel assembly part number (P/N) SLS-075-002-107 installed. \n\tNote 1 to paragraph (c): Helicopters with S/Ns 65011 through 65023 inclusive, 65025 through 65028 inclusive, 65030 through 65032 inclusive, 65034, and 65036 are known to have had relay panel assembly P/N SLS-075-002-107 installed during production. \n\n(d) Subject \n\n\n\tJoint Aircraft Service Component (JASC) Code: 3110, Instrument Panel. \n\n(e) Unsafe Condition \n\n\n\tThis AD was prompted by three occurrences of metallic debris in the engine oil lubrication system causing a short to ground within the engine chip detector. The FAA is issuing this AD to prevent failure of the 12 volts direct current (VDC) reference voltage, loss of display of important flight information to the pilot including the main rotor rotations per minute (Nr), fuel quantity, and transmission oil pressure and temperature, and the generator voltage and ammeter parameters as marked invalid with a red ''X'' on the primary flight display (PFD) and the multi-function display (MFD). The unsafe condition, if not addressed, could result in simultaneous loss of caution, advisory, and system performance indicators for multiple systems. \n\n(f) Compliance \n\n\n\tComply with this AD within the compliance times specified, unless already done. \n\n((Page 50239)) \n\n(g) Required Actions \n\n\n\t(1) Within 25 hours time-in-service after the effective date of this AD, replace relay panel assembly P/N SLS-075-002-107 with relay panel assembly P/N SLS-075-002-109 by following the Accomplishment Instructions, paragraphs 1.a. through 3, of Bell Helicopter Alert Service Bulletin 505-17-04, dated December 6, 2017. \n\t(2) As of the effective date of this AD, do not install relay panel assembly P/N SLS-075-002-107 on any helicopter. \n\n(h) Alternative Methods of Compliance (AMOCs) \n\n\n\t(1) The Manager, International Validation 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 International Validation Branch, send it to the attention of the person identified in paragraph (i)(1) of this AD. Information may be emailed to: [email protected]. \n\t(2) 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. \n\n(i) Related Information \n\n\n\t(1) For more information about this AD, contact Hal Jensen, Aerospace Engineer, Operational Safety Branch, Compliance & Airworthiness Division, FAA, 950 L'Enfant Plaza N SW, Washington, DC 20024; telephone (202) 267-9167; email [email protected]. \n\t(2) The subject of this AD is addressed in Transport Canada AD CF-2017-36, dated December 15, 2017. You may view the Transport Canada AD at https://www.regulations.gov in Docket No. FAA-2021- 0377. \n\n(j) Material Incorporated by Reference \n\n\n\t(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. \n\t(2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise. \n\t(i) Bell Helicopter Alert Service Bulletin 505-17-04, dated December 6, 2017. \n\t(ii) (Reserved) \n\t(3) For Bell Helicopter service information identified in this AD, contact Bell Textron Canada Limited, 12,800 Rue de l'Avenir, Mirabel, Quebec J7J1R4, Canada; telephone (450) 437-2862 or (800) 363-8023; fax (450) 433-0272; email [email protected]; or at https://www.bellflight.com/support/contact-support. \n\t(4) You may view this service information at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N-321, Fort Worth, TX 76177. For information on the availability of this material at the FAA, call (817) 222-5110. \n\t(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: [email protected], or go to: https://www.archives.gov/federal-register/cfr/ibr-locations.html. \n\n\n\tIssued on July 27, 2021. Ross Landes, Deputy Director for Regulatory Operations, Compliance & Airworthiness Division, Aircraft Certification Service. (FR Doc. 2021-19251 Filed 9-7-21; 8:45 am) BILLING CODE 4910-13-P