SDR UALA2010042901445

Service difficulty report · Compressor · Boeing 757222

Difficulty date: April 29, 2010
Submitted: April 30, 2010
Operation: Air carrier
Aircraft: N557UA
Make and model: Boeing 757222
Aircraft serial: 26653
Aircraft time: 63,157 hours, 19,538 cycles
Engine: Pwa PW2037
Engine time: 41,310 hours, 14,657 cycles
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Compressor
Condition: Stalled
Location: Rt Engine
Stage of operation: CL
How discovered: O
Nature of condition: R, J
Precautionary procedure: O

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

What was found

ENG COMPRESSOR STALL IN FLIGHT. ENG POSITION UNKNOWN. ENG RECOVERED AND CONTINUED OPERATING. IMMED PRECEDING STALL, ENG POWER WAS ACCELERATING AT CRUISE OR CLIMB POWER. SELF CLEARING COMP STALL. ACP STALL CHECKS ON BOTH ENGS. CREW DEBRIEF- AT 3000FT AFTER TAKEOFF CREW SAID IT APPEARED TO BE RT ENGINE WITH SLIGHT YAW. NO EXCEEDENCES OF EGT. ENGINE RECOVERED. ACP'D INSP OF BOTH ENGS AND FOUND ENG 1 DEFECTIVE. ENG REPLACED IAW AMM. DUE TO 16TH STG COMPRESSOR BLADE DAMAGE. ALL MAINT RECORDED IN AMIS.