SDR 0113

Service difficulty report · Actuator · Boeing 757*

Difficulty date: September 27, 2001
Submitted: October 5, 2001
Operation: Air carrier
Make and model: Boeing 757*
Aircraft serial: 30060
Engine: Pwa PW2037
System (JASC): 7532 · Compressor Bleed Valve
Part: Actuator
Condition: Stuck
Location: Lt Engine
Stage of operation: AP
How discovered: O
Nature of condition: Y, J
Precautionary procedure: K

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

What was found

DURING FINAL APPROACH AT ALTITUDE 1700 FEET THE LEFT ENGINE WAS AUTOMATICALLY SHUTDOWN. CREW PERFORMED QRH PROCEDURE. AT THE UPPER EICAS DISPLAY EGT OF LEFT ENGINE MAX EXCEEDANCE 652 DEGREES WAS SHOWN. THE SURGE SOUND WAS HEARD. TS IN ACCORDANCE WITH FIM 71-05-00 NO FAILURES FOUND. PW RECOMMENDATION THAT THE ACTUATOR OF 2,5 BLEED VALVE CHECKED. FOUND STUCK NEAR TO CLOSED POSITION. LEFT ENGINE REPLACED DUE TO ENGINE SURGE AND OVERTEMP.