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Mon, Jan 31, 2011

AD: Pratt & Whitney

AD NUMBER: 2011-03-01

MANUFACTURER: Pratt & Whitney JT8D-7, -7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, -17R, and -17AR Series Turbofan Engines
SUBJECT: Airworthiness Directive 2011-03-01

SUMMARY: This AD modifies the TLS (Time Limit Section) of the manufacturer's engine manual and an air carrier's approved continuous airworthiness maintenance program to incorporate additional inspection requirements and reduce the model applicability. This AD was prompted by PW developing, and the FAA approving, improved inspection procedures for the critical life-limited parts. The mandatory inspections are needed to identify those critical rotating parts with conditions which, if allowed to continue in service, could result in uncontained failures. The FAA is issuing this AD to prevent critical life-limited rotating engine part failure, which could result in an uncontained engine failure and damage to the airplane.

FMI: http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/0/4FA1A1043687FA4686257826004D03EE?OpenDocument

 


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