AD 2012-09-09

Recurring final rule
Data completeness: 70%

Airworthiness Directives; International Aero Engines AG Turbofan Engines

AD Number
2012-09-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2009-1100
FR Citation
77 FR 30371

Applicability

TypeManufacturerModelDetails
aircraft International Aero Airworthiness Directives; International Aero Engines AG Turbofan Engines

Unsafe Condition

Uncontained failure of the high-pressure compressor (HPC) stage 3 to 8 drum, which could result in damage to the airplane.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Initial and repetitive ultrasonic inspections (USIs) of certain HPC stage 3 to 8 drums. Introduce an eddy current inspection (ECI) procedure. Additional cleaning and repetitive USIs of some HPC stage 3 to 8 drums. Replacement of drum attachment nuts.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 50 flight hours after the effective date of the AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

All International Aero Engines AG (IAE) V2500-A1, V2525-D5, and V2528-D5 turbofan engines, and certain serial numbers (S/Ns) of IAE V2522-A5, V2524-A5, V2527-A5, V2527E-A5, V2527M-A5, V2530-A5, and V2533-A5 turbofan engines.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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