Airworthiness Directives (ADs)
CAA-2026-07-011
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
- 2026/07/21
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Applicability
- This AD applies to CFM International, S.A. 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 high-pressure turbine (HPT) rotorstage 1 blade, having part number (P/N) 2747M92P01, P/N 2553M91G03, P/N 2553M91G05, P/N2553M91G06, P/N 2553M91G07, or P/N 2553M91G08 that has accumulated more than 1,100South Asia takeoffs, and has accumulated 2,500 part cycles since new (PCSN) for Group 1 engines,or 5,100 PCSN for Group 2 engines.
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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-2026-07-011
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2026-14-06
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Effective Date
- 2026/07/27
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Subject
- This AD requires initial and repetitive BSIs of the HPT rotor stage 1 blades and, depending on the results of the inspections, additional BSIs at reduced intervals or replacement of the HPT rotor stage 1 blades.
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Reference Publications (Revision/ATA/SB)
- This AD replaces AD 2025-21-03(AD CAA-2025-12-010) and EASA AD2025-0171R2(AD CAA-2025-08-002B)。
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Remarks
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Download
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