SDR 9807656729

Service difficulty report · Compressor · Boeing 747251F

Difficulty date
April 26, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N629US
Make and model
Boeing 747251F
Aircraft serial
22388
Engine
Pwa JT9D7F
Part
Compressor
Condition
Stalled
Location
Nr 3 Engine
Stage of operation
LD
Nature of condition
R
Precautionary procedure
E

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

What was found

DURING LANDING ROLLOUT, WHILE IN REVERSE THRUST, THE NR 3 ENGINE EXPERIENCED A MINOR COMPRESSOR STALL. EGT REACHED MAXIMUM OF 740C BEFORE THE ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED THE ENGINE WITH NO DEFECTS NOTED AND THE AIRCRAFT WAS RETURNED TO SERVICE. EXACT PART CAUSING PROBLEM TO BE DETERMINED.