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 heat damage 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 airseal could cause uncontained engine failure and damage to the airplane.
Directive Details
AD Number
FAA-2007-28058
Document Number
E8-15686
Type
Rule
Publication Date
July 16, 2008
Effective Date
August 20, 2008
Affected Manufacturer
International Aero Engines AG (IAE) V2500 Series Turbofan
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2007-28058
Topics
Official Documents
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