Airworthiness Directives (ADs)
CAA-2021-02-014
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
- 2021/02/25
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Applicability
- GE model CF6-80C2A1, CF6-80C2A2, CF6-80C2A3, CF6-80C2A5, CF6-80C2A5F, CF6-80C2A8, CF6-80C2B1, CF6-80C2B1F, CF6-80C2B2, CF6-80C2B2F, CF6-80C2B4, CF6-80C2B4F, CF6-80C2B5F, CF6-80C2B6, CF6-80C2B6F, CF6-80C2B6FA, CF6-80C2B7F, CF6-80C2B8F, and CF6-80C2D1F model turbofan engines that underwent an engine shop visit before November 1, 2018, and with accessory gearbox (AGB) adapter hydromechanical unit (HMU)/main engine control (MEC) idler adapter with part number (P/N) 9395M78G01, P/N 9395M78G02, P/N 9395M78G04, P/N 9395M78G05, P/N 9395M78G08, or P/N 9395M78G10, installed.
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Model Number
- General CF6-80 series turbofan engines.
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CAA AD Number
- CAA-2021-02-014
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2021-03-02
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Effective Date
- 2021/03/31
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Subject
- This AD requires initial and repetitive shim checks of the hydromechanical unit/main engine control idler adapter on the accessory gearbox assembly and, depending on the results of the shim check, possible replacement of the inserts on idler adapter. As a terminating action, also requires a protrusion check and a pull-out test, and the replacement of inserts on the idler adapter that fail either test.
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Reference Publications (Revision/ATA/SB)
- ATA 73. Ref. GE CF6-80C2 Service Bulletin 72-1577 R01, dated August 16, 2019.
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Remarks
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Download
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