Airworthiness directives › 2014-03-11
AD 2014-03-11 Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell) Helicopters
Applicability*9
This AD becomes effective March 26, 2014.
Compliance
(1) The Manager, Rotorcraft Certification Office, FAA, may approve AMOCs for this AD. Send your proposal to: Helene Gandy, Aviation Safety Engineer, Rotorcraft Certification Office, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222-5413; email 7-AVS-ASW-170@faa.gov. (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.
Required actions
Joint Aircraft Service Component (JASC) Code: 6720: Tail Rotor Control System.
Unsafe condition
(1) Within 25 hours time in service (TIS), inspect each cable assembly to determine if there is a false cut on the body of the barrel assembly, as depicted in Figure 1 of Bell Alert Service Bulletin No. 204B-12-68, dated October 10, 2012. (2) If there is a false cut, before the first flight of each day, inspect the cable assembly for separation of the barrel assembly from the body. If there is any separation, before further flight, replace the cable assembly. (3) Within 100 hours TIS, replace the cable assembly with an airworthy cable assembly that does not have a false cut in the body. Replacing the cable assembly is terminating action for the inspections required by paragraph (e)(2) of this AD.
Affected ADs
This AD defines the unsafe condition as an incorrectly machined body on the cable assembly, which could prevent the barrel assembly from fully engaging in the body cavity. This condition could result in disengagement of the cable from the barrel, failure of the tail rotor pitch control, and subsequent loss of control of the helicopter.
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