Service difficulty report · Compressor · Boeing 747238B

Difficulty date
December 22, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N164UA
Make and model
Boeing 747238B
Aircraft serial
21657
Engine
Pwa JT9D7J
Part
Compressor
Condition
Stalled
Location
Nr 3 Engine
Stage of operation
CL
Nature of condition
R
Precautionary procedure
A, J

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

What was found

2000 FT 190 KIAS 9 DEG NUMBER 3 ENGINE 1.40 EPR REDUCING TO CLIMB, HAD COMPRESSOR STALL. EGT WENT TO 990 DEG NO FIRE LIGHT OR NO AIRFRAME VIBRATION ENGINE SHUT DOWN BY ITSELF. DUMPED 140,000 LBS OF FUEL. *S/D* SUSPECT DETERIORATION OR DAMAGE TO HPC. AT THE TIME THIS RECORD WAS CLOSED HPC HAD NOT BEEN TORN DOWN FOR ANALYSIS.