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Thu, Nov 15, 2012

AD: Pratt & Whitney Division Turbofan Engines

AD NUMBER: 2012-22-16

PRODUCT: All Pratt & Whitney Division PW4050, PW4052, PW4056, PW4060, PW4060A, PW4060C, PW4062, PW4062A, PW4152, PW4156, PW4156A, PW4158, PW4160, PW4460, PW4462, and PW4650 turbofan engines, including models with any dash number suffix.
SUBJECT: Airworthiness Directive 2012-22-16
ACTION: Final Rule

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for the products listed above. This AD was prompted by 16 reports of damaged or failed 3rd stage low-pressure turbine (LPT) duct segments. This AD requires removing from service certain part numbers (P/Ns) of 3rd stage LPT duct segments. The FAA is issuing this AD to prevent failure of the 3rd stage LPT duct segments, which could lead to LPT rotor damage, uncontained engine failure, and damage to the airplane.

DATES: This AD is effective December 19, 2012.

FMI: AD

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