Service difficulty report · Compressor · Boeing 747132

Difficulty date
October 25, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N857FT
Make and model
Boeing 747132
Aircraft serial
20246
Engine
Pwa JT9D7A
Part
Compressor
Condition
Stalled
Location
Nr 3 Engine
Stage of operation
TO
Nature of condition
Y
Precautionary procedure
E, C, D

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

What was found

HKG - UPON APPLYING MAX TAKEOFF POWER, NR 3 ENGINE COMPRESSOR STALLED AT 1.40 EPR. HEARD A LOUD BANG, EGT PEGGED MAX TEMP INDICATOR POINTER AT BOTTOM OF GAUGE 1,100 DEGREES. ABORTED TAKEOFF AT APPROXIMATELY 5 KNOTS, RETARDED ENGINE TO IDLE, SHUTDOWN ENGINE IAW ENGINE STALL CHECKLIST. EGT EXCEEDED 915 DEGREES FOR APPROX 3 SECONDS. BORESCOPED ENGINE, NO DAMAGE FOUND. PRECAUTIONARY REPLACED TT2 SENSOR, PERFORMED FULL POWER RUNUP, ALL INDICATIONS NORMAL. ENGINE NOW 80 HOUR LIMITED.