AD 2021-14-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | International | Aero | Airworthiness Directives; International Aero Engines AG Turbofan Engines |
Unsafe Condition
An uncontained failure of the high-pressure turbine (HPT) 1st-stage disk or HPT 2nd-stage disk, resulting in high-energy debris penetrating the engine cowling, may cause damage to the engine, damage to the airplane, and loss of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform an ultrasonic inspection (USI) of the HPT 1st-stage disk and HPT 2nd-stage disk, and depending on the results of the inspections, replace the HPT 1st-stage disk or HPT 2nd-stage disk with a part eligible for installation.
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Compliance Time
Between 100 and 620 flight cycles (FCs) after the effective date of this AD.
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Affected Aircraft
IAE V2522-A5, V2524-A5, V2525-D5, V2527-A5, V2527E-A5, V2527M-A5, V2528-D5, V2530-A5, V2531-E5, and V2533-A5 model turbofan engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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