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ADs updated daily at www.Tdata.com
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2021-05-52 |
BELL TEXTRON CANADA LIMITED:
( e m e r g e n c y ) Project Identifier MCAI-2021-00217-R. |
(a) EFFECTIVE DATE This emergency AD is effective upon receipt. (b) AFFECTED ADS None. (c) APPLICABILITY This AD applies to Bell Textron Canada Limited (Bell) Model 505 heli- copters, serial numbers 65011 and subsequent, certificated in any cat- egory. (d) SUBJECT Joint Aircraft Service Component (JASC) Code: 6710, Main Rotor Control (e) UNSAFE CONDITION This AD was prompted by a report of a cracked pilot collective stick. The FAA is issuing this AD to detect a cracked pilot collective stick which, if not corrected, could result in failure of the pilot collec- tive stick and subsequent loss of control of the helicopter. (f) COMPLIANCE Comply with this AD within the compliance times specified, unless al- ready done. (g) REQUIRED ACTIONS Before further flight after the effective date of this AD: (1) Remove the pilot collective stick and grip assembly from the jackshaft assembly and clean the areas specified in Figure 2 of Bell Alert Serv- ice Bulletin 505-21-20, dated February 20, 2021 (ASB 505-21-20) with a clean cloth C-516C or equivalent moistened with dry cleaning solvent C-304 or equivalent. (2) Using a 10x or higher power magnifying glass and a light source, in- spect the complete circumference of the pilot collective stick and grip assembly for a crack in the areas specified in Figure 2 of ASB 505-21-20. (i) If the visual inspection did not reveal a crack, perform a fluorescent penetrant inspection for a crack as specified in American Society for Testing and Materials (ASTM) E1417 or equivalent. Perform this inspec- tion in the areas specified in Figure 2 of ASB 505-21-20. (ii) Remove from service any cracked pilot collective stick and grip assembly. (3) Within 10 days after the discovery of any crack, report the informa- tion specified in paragraph 5.a.1. of ASB 505-21-20 to Bell Product Support Engineering at productsupport@bellflight.com. (4) As of the effective date of this AD, do not install any pilot collec- tive stick and grip assembly on any helicopter unless it has been in- spected in accordance with the inspection requirements of this AD. (h) SPECIAL FLIGHT PERMITS A special flight permit to a maintenance facility may be granted pro- vided that there are no passengers on-board. (i) ALTERNATIVE METHODS OF COMPLIANCE (AMOCS) (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 certification office, send it to the attention of the person identi- fied in paragraph (j)(1) of this AD. Information may be emailed to: 9-AVS-AIR-730-AMOC@faa.gov. (2) Before using any approved AMOC, notify your appropriate principal in- spector, or lacking a principal inspector, the manager of the local flight standards district office/certificate holding district office. (j) RELATED INFORMATION (1) For more information about this AD, contact Hal Jensen, Aerospace Eng- ineer, Gaetano A Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Operational Safety Branch, FAA National Headquarters, 950 L’Enfant Plaza N SW, Washington DC 20024; telephone 202-267-9167; email hal.jensen@faa.gov. (2) For service information identified in this AD, contact Bell Textron Canada Limited, 12,800 Rue de l’Avenir, Mirabel, Quebec J7J1R4; tele- phone 450-437-2862 or 800-363-8023; fax 450-433-0272; or at https:// www.bellcustomer.com. You may view this referenced 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. (3) The subject of this AD is addressed in Transport Canada Emergency AD No. CF-2021-05 dated February 21, 2021. Issued on February 22, 2021. Gaetano A. Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Aircraft Cer- tification Service.
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DATE: February 22, 2021 |