2015-12-02: Turbine Section

Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: PART 39--AIRWORTHINESS DIRECTIVES 0 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. Sec. 39.13 [Amended] 0 2. The FAA amends Sec. 39.13 by adding the following new airworthiness directive (AD): 2015-12-02 Bell Helicopter Textron Canada Limited (Bell): Amendment 39-18175; Docket No. FAA-2013-0489; Directorate Identifier 2008-SW- 003-AD. (a) Applicability This AD applies to the following helicopters, certificated in any category: (1) Bell Model 206L-1 with an Engine Upgrade Kit part number (P/ N) 206-706-520-101 installed; (2) Bell Model 206L-3, serial number (S/N) 51001 through 51612, except those with a Rolls-Royce 250-C20R engine installed under Supplemental Type Certificate (STC) No. SR00036SE; and (3) Bell Model 206L-4, S/N52001 through 52313, except those with a Rolls-Royce 250-C20R engine installed under STC No. SR00036SE. (b) Unsafe Condition This AD defines the unsafe condition as a third stage turbine vibration, which could result in turbine failure, engine power loss, and subsequent loss of control of the helicopter. (c) Effective Date This AD becomes effective July 14, 2015. (d) Compliance You are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time. (e) Required Actions Within 30 days: (1) Install placard P/N 230-075-213-117, or equivalent, on the instrument panel directly below the dual tachometer. (2) Revise the Operating Limitations section of the Rotorcraft Flight Manual (RFM) by inserting a copy of this AD into the RFM or by making pen and ink changes as follows: (i) In the Power Plant section, beneath the Power Turbine RPM header, add: Avoid continuous operations 71.8% to 91.5%. (ii) In the Placards and Decals section, add: ``AVOID CONT OPS 71.8% TO 91.5% N2'' with the location identification ``Location: Instrument Panel.'' [[Page 32460]] (f) Alternative Methods of Compliance (AMOCs) (1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: James Blyn, Aviation Safety Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222- 5110; email [email protected]. (2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, we suggest that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office, before operating any aircraft complying with this AD through an AMOC. (g) Additional Information (1) Bell Alert Service Bulletin No. 206L-05-134, Revision A, dated April 9, 2007, which is not incorporated by reference, contains additional information about the subject of this AD. For service information identified in this AD, contact Bell Helicopter Textron Canada Limited, 12,800 Rue de l'Avenir, Mirabel, Quebec J7J1R4; telephone (450) 437-2862 or (800) 363-8023; fax (450) 433- 0272; or at http://www.bellcustomer.com/files/. You may review a copy of the service information at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas 76137. (2) STC No. SR00036SE, amended October 20, 1995; and reissued January 23, 2014, may be found on the Internet at http://www.regulations.gov in Docket No. FAA-2013-0489. (3) The subject of this AD is addressed in Transport Canada Civil Aviation (TCCA) AD No. CF-2005-28R1, dated June 14, 2007. You may view the TCCA AD on the Internet at http://www.regulations.gov in Docket No. FAA-2013-0489. (h) Subject Joint Aircraft Service Component (JASC) Code: 7250, Turbine Section.