Service difficulty report · Compressor · Boeing 777222

Difficulty date
January 13, 2010
Submitted
January 13, 2010
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
55,907 hours, 8,184 cycles
Engine
Pwa PW40903
Engine time
49,041 hours, 7,262 cycles
Part
Compressor
Condition
Stalled
Location
Lt Engine
Stage of operation
CR
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

LEFT ENGINE COMPRESSOR STALLED AT FL380. LT ENGINE COMPRESSOR STALL FL380 AT OFF PULLED POWER BACK ENG RECOV -MSG 71-60431 FOUND NOT ACTIVE ON ARRIVAL. REVIEWED EXCEEDENCE PAGES ON EPCS NO EXCEEDENCE RECORDED. CARRIED OUT INSP OF INLET AND EXHAUST NO DEFECTS NOTED. CARRIED OUT CHECK OF N1 ALL SATIS INSPECTED ALL CHIP DETECTORS ON ENG. NO DEBRIS NOTED. CARRIED OUT INSPECTION OF TBVC, 2.9 BLEED SYS AND 2.5 BLEED SYS. NO DEFECTS RECORDED. CHECKED TCC AND ASSOCIATED ACTUATOR AND LINKAGES ALL SATISFACTORY.