Airworthiness directives › 2018-15-02
AD 2018-15-02 Airworthiness Directives; Airbus Helicopters
Applicability*9
This AD becomes effective August 3, 2018.
Compliance
Special flight permits are prohibited.
Required actions
(1) The Manager, Safety Management Section, Rotorcraft Standards Branch, FAA, may approve AMOCs for this AD. Send your proposal to: David Hatfield, Aviation Safety Engineer, Safety Management Section, Rotorcraft Standards Branch, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone (817) 222-5110; email 9-ASW-FTW-AMOC-Requests@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.
Unsafe condition
Within 10 hours time-in-service (TIS) and thereafter at intervals not exceeding 10 hours TIS: (1) Manually induce a flapping movement in the TR blade until the pitch change rod rotates a minimum of 10 degrees. (2) Inspect both faces of the blade side of the ball joint elastomer for debonding, extrusion, and cracks. If there is a crack or any debonding or extrusion with a circumference of 90 or more degrees, before further flight, replace the pitch change rod.
Affected ADs
This AD defines the unsafe condition as a damaged elastomeric ball joint on the TR pitch change rod. This condition could result in failure of the TR pitch change rod and subsequent loss of control of the helicopter.
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