Airworthiness Directives (ADs)
CAA-2020-12-016
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
- 2020/12/29
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Applicability
- CFM International, S.A. LEAP-1A23, LEAP-1A24, LEAP-1A24E1,
LEAP-1A26, LEAP-1A26CJ, LEAP-1A26E1, LEAP-1A29, LEAP-1A29CJ, LEAP-1A30, LEAP-
1A32, LEAP-1A33, LEAP-1A33B2, LEAP-1A35A model turbofan engines with a high-pressure
turbine (HPT) stage 2 disk, part number (P/N) 2466M52G03 or P/N 2788M26G01, and with a serial
number listed in Table 1 of CFM Service Bulletin (SB) LEAP-1A-72-00-0405-01A-930A-D, Issue
001, dated March 5, 2020, installed.
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Model Number
- CFM International, S.A. LEAP-1A23,
LEAP-1A24,LEAP-1A24E1, LEAP-1A26,
LEAP-1A26CJ,LEAP-1A26E1, LEAP-1A29,
LEAP-1A29CJ,LEAP-1A30, LEAP-1A32,
LEAP-1A33, LEAP-1A33B2,LEAP-1A35A
model turbofan engines.
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CAA AD Number
- CAA-2020-12-016
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2020-25-13
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Effective Date
- 2021/01/25
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Subject
- This AD requires an ultrasonic inspection of the HPT stage 2 disk and replacement of any HPT stage 2 disk that fails the UI with a part eligible for installation.
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Reference Publications (Revision/ATA/SB)
- ATA 72. Ref. CFM Service Bulletin LEAP-1A-72-00-0405-01A-930A-D, Issue 001, dated March 5, 2020.
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Remarks
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