SDR EIAA9536

Service difficulty report · Compressor · Boeing 747212B

Difficulty date
August 8, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N485EV
Make and model
Boeing 747212B
Aircraft serial
20712
Engine
Pwa JT9D7J
Part
Compressor
Condition
Stalled
Location
Nr 2 Engine
Stage of operation
CR
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

BBR - NR 2 ENGINE COMPRESSOR STALLED WITH PARAMETERS EPR 1.34, N1 92 PERCENT, N2 90 PERCENT, EGT 800 DEGREES CELSIUS, FLIGHT LEVEL 290. OIL QUANTITY RAPIDLY DECREASED, PERFORMED ENGINE SHUT DOWN PROCEDURES AND SECURED ENGINE. PARAMETERS AFTER SHUT DOWN N1 30.5 PERCENT, N2 25.5 PERCENT, EGT 18 DEGREES CELSIUS OIL QUANTITY 0 OIL TEMP 70 DEGREES CELSIUS, OIL PRESS 0. DID NOT ATTEMPT TO RESTART DUE TO ZERO OIL QUANTITY. REMOVED AND REPLACED NR 2 ENGINE AS PER F7201 RUN UP COMPLIED WITH MM 72-00-00. (M)

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