SDR 9511386614

Service difficulty report · Compressor · Boeing 747251B

Difficulty date
July 26, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N614US
Make and model
Boeing 747251B
Aircraft serial
20359
Engine
Pwa JT9D7F
Part
Compressor
Condition
Stalled
Location
Nr 3 Engine
Stage of operation
TO
Nature of condition
M, R
Precautionary procedure
A, E, J

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

What was found

DURING TAKEOFF ROTATION, THE NR 3 ENGINE EXPERIENCED A COMPRESSOR STALL WITH THE EGT GOING TO MAX AND THE ENGINE WAS SHUTDOWN. DUMPED 100,000 LBS OF FUEL AND THE AIRCRAFT RETURNED TO MSP WHERE AN UNEVENTFUL THREE ENGINE LANDING WAS ACCOMPLISHED. THE ENGINE WAS REPLACED.