Service difficulty report · Compressor · Boeing 7472U3B

Difficulty date
August 17, 2003
Submitted
August 19, 2003
Operation
Air carrier
Aircraft
N923FT
Make and model
Boeing 7472U3B
Aircraft serial
22769
Aircraft time
75,595 hours, 18,614 cycles
Engine
Pwa JT9D7Q
Engine time
52,493 hours, 11,612 cycles
Part
Compressor
Part number
69B482277
Condition
Stalled
Location
Nr 3 Engine
Stage of operation
DE
How discovered
O
Nature of condition
R
Precautionary procedure
K

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

What was found

NR 3 ENG COMPRESSOR STALLED AT FL 330 FUEL TEMP PEGGED AT OFF SCALE HOT AND OIL TEMP WENT TO 150 DRGS. PREFORMED 8TH STAGE BLEED CHECK VALVE. CHECKED P/R LINE ON T12 SENSOR, CHECKED FUEL HEAT VALVE, CHECKED NR 3 MAIN TANK SUMP DRAIN CHECKED FUEL / OIL COOLER TEMP BULB, ALL CHECKED OK REPLACED FUEL HEATER TIMER AND LOCKED OUT PYLON VALVE AND DEFERRED.

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