Airworthiness Directives (ADs)
CAA-2024-04-011
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
- 2024/05/03
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Applicability
- This AD applies to CFM International, S.A. （CFM） Model LEAP-1A23, LEAP-1A24, LEAP-1A24E1, LEAP-1A26, LEAP-1A26CJ, LEAP-1A26E1, LEAP-1A29, LEAP-1A29CJ, LEAP-1A30, LEAP-1A32, LEAP-1A33, LEAP-1A33B2, and LEAP-1A35A engines with an installed No. 3 bearing spring finger housing having part number （P/N） 2629M62G01 and aserial number identified in Table 1 or Table 2 of CFM Service Bulletin （SB） LEAP-1A-72-00-0504-01A-930A-D, Issue002, dated October 17, 2023 （CFM SB LEAP-1A-72-00-0504-01A-930A-D, Issue 002）.
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Model Number
- CFM LEAP-1A23, LEAP-1A24, LEAP-1A24E1,
LEAP-1A26, LEAP-1A26CJ, LEAP-1A26E1,
LEAP-1A29, LEAP-1A29CJ, LEAP-1A30,
LEAP-1A32, LEAP-1A33, LEAP-1A33B2,
and LEAP-1A35A engines.
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CAA AD Number
- CAA-2024-04-011
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2024-07-06
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Effective Date
- 2024/06/03
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Subject
- This AD requires initial and repetitive calculations of the levels of NSV, inspection of the stage 2 high-pressure turbine nozzle assembly honeycomb and HPT stator stationary seal honeycomb and, depending on the results of the calculations and inspections, replacement of certain parts. and also requires replacement of certain No. 3 bearing spring finger housings at a certain time.
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Reference Publications (Revision/ATA/SB)
- ATA 72 .Ref. CFM International, S.A. Service Bulletin LEAP-1A-72-00-0504-01A-930A-D, Issue 002, dated October 17, 2023.
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Remarks
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