Service difficulty report · Bleed Valve

Difficulty date
February 5, 2010
Submitted
March 1, 2010
Operation
General aviation
Engine
Pwa PW545A
Part
Bleed Valve
Condition
Faulty
Location
Engine
Stage of operation
CL
How discovered
O
Nature of condition
M, B, J
Precautionary procedure
E, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) SHORTLY AFTER TAKEOFF, THE PILOT REDUCED POWER TO CLIMB SETTING, A SERIES OF SURGES WERE HEARD ACCOMPANIED BY ENGINE TEMPERATURE AT MAX. GAGE DEFLECTION (ABOVE 800° C). POWER WAS REDUCED AND THE ENGINE EEC WENT TO MANUAL AND THE TEMPERATURE REDUCED. AS POWER WAS RE-APPLIED, VIBRATIONS WERE FELT AND AN ODOR ENTERED THE COCKPIT. THE ENGINE WAS SHUTDOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE AT THE DEPARTURE POINT. TROUBLESHOOTING FOUND A FAULTY COMPRESSOR BLEED VALVE. MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND SUPPLEMENT THE REPORT ONCE THE INFORMATION IS AVAILABLE. (TC 20100216007)