AD 2017-24-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | CFM | International S | Airworthiness Directives; CFM International S.A. Turbofan Engines |
Unsafe Condition
Cracks appearing during forging of the high-pressure turbine (HPT) stage 2 disks, part number 2466M52G03, which could result in failure of the HPT stage 2 disk, uncontained release of the disk, damage to the engine, and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove, inspect, rework, and re-identify the HPT stage 2 disk, part number 2466M52G03.
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Compliance Time
Before further flight
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Affected Aircraft
CFM International S.A. LEAP-1A23, LEAP-1A24, LEAP-1A24E1, LEAP-1A26, LEAP-1A26E1, LEAP-1A30, LEAP-1A32, LEAP-1A33, LEAP-1A33B2, and LEAP-1A35A engines with a high-pressure turbine (HPT) stage 2 disk, part number 2466M52G03, and serial number listed in Table 1 of CFM Service Bulletin LEAP-1A-72-00-0167-01A-930A-D, Issue 001, dated September 28, 2017.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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