Airworthiness Directives (ADs)
CAA-2026-01-009
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
- 2026/01/29
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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 fingerhousing having part number (P/N) 2629M62G01 and a serial number identified in Table 1 of CFMService Bulletin (SB) LEAP-1A-72-00-0562-01A-930A-D, Issue 002-00, dated September 24, 2025(CFM SB LEAP-1A-72-00-0562-01A-930A-D, Issue 002-00).
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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-2026-01-009
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2026-02-04
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Effective Date
- 2026/02/26
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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 (HPT) nozzle assembly honeycomb and HPT stator stationary seal honeycomb and, depending on the results of the calculations and inspections,replacement of certain parts. This AD also requires replacement of certain No. 3 bearing spring finger housings at the next shop visit.
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Reference Publications (Revision/ATA/SB)
- ATA 72. Ref. CFM International, S.A. (CFM) Service Bulletin (SB) LEAP-1A-72-00-0536-01A-930A-D, Issue001-00, dated July 22, 2024.
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Remarks
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