Airworthiness Directives (ADs)
CAA-2018-12-001緊急(已有後續修訂版)
The aircraft owner or operator shall comply with Airworthiness Directives issued by the CAA or the aeronautics authority of the State of Design (SoD) of the aviation products, appliances and parts, and take all necessary actions thereto.
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Issue Date
- 2018/12/03
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Applicability
- AW169 helicopters, all serial numbers (s/n); and AW189 helicopters, all s/n.
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Model Number
- LEONARDO S.p.A. AW169 and AW189 helicopters
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CAA AD Number
- CAA-2018-12-001緊急(已有後續修訂版)
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Aeronautics Authority of Original AD
- EASA
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Original AD Number
- 2018-0261-E
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Effective Date
- 2018/12/03
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Subject
- Tail Rotor – Tail Rotor Servo Actuator – Inspection
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Reference Publications (Revision/ATA/SB)
- ATA 64. This AD requires repetitive inspections of the TR servo actuator’s back-end castellated nut slippage marking, and of the roughness and breakaway force of the TR duplex bearing and, depending on findings, accomplishment of applicable corrective action(s). This AD is still considered to be an interim action and further AD action may follow.
Ref. Publications:
Leonardo S.p.A. Emergency ASB 169-126 original issue dated 30 November 2018.
Leonardo S.p.A. Emergency ASB 189-217 original issue dated 30 November 2018.
The use of later approved revisions of the above-mentioned documents is acceptable for compliance with the requirements of this AD.
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Remarks
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