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Mon, Oct 04, 2004

AD: Pratt & Whitney

AD NUMBER: 2004-20-01
MANUFACTURER: Pratt & Whitney
SUBJECT: Airworthiness Directive 2004-20-01
SUMMARY: The FAA is adopting a new airworthiness directive (AD) for Pratt & Whitney Canada (PWC) models PW123, PW123B, PW123C, PW123D, PW123E, PW123AF, PW124B, PW125B, PW126A, PW127, PW127E, PW127F, and PW127G turboprop engines. This AD requires initialand repetitive gap inspections of the bypass valve cover, on certain part number (P/N) mechanical fuel controls (MFCs), and replacement of those MFCs as mandatory terminating action to the repetitive inspections. This AD is prompted by sixteen reports of loss of engine throttle response and overspeed, eight of which resulted in in-flight shutdown. We are issuing thisAD to prevent loss of throttle response and overspeed, resulting in engine in-flight shutdown.

FMI: http://www.avantext.com/DailyADIndex.ASP?AD=20042001

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