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Thu, Jul 17, 2008

AD: International Aero

AD NUMBER: 2008-14-15
MANUFACTURER: International Aero
SUBJECT: Airworthiness Directive 2008-14-15
SUMMARY:
The FAA is adopting a new airworthiness directive (AD) for IAE V2500-A1, V2522-A5, V2524-A5, V2527-A5, V2527E -A5, V2527M-A5, V2530-A5, V2533-A5, V2525-D5, and V2528-D5 turbofan engines.

This AD requires removing certain No. 4 bearing oil system components from service at the next shop visit or by an end date determined by the engine model. This AD results from instances of oil loss from the No. 4 bearing compartment.

We are issuing this AD to prevent heatdamage to high-pressure -turbine (HPT) and low-pressure turbine (LPT) critical life-limited hardware such as the HPT stage 1-2 airseal.

Damage to the HPT stage 1-2 air seal could cause uncontained engine failure and damage to the airplane.

FMI: www.faa.gov/regulations_policies/airworthiness_directives/

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