Service difficulty report · Oil Sump

Difficulty date
February 17, 1998
Submitted
March 26, 2000
Operation
Air carrier
Engine
Pwa JT9D7R4D
Part
Oil Sump
Part number
500327702
Condition
Cracked
Location
Nr 1-2 Bearing
Part time
47,357 hours
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) DURING DISASSEMBLY OF THE ENGINE DUE TO HIGH OIL CONSUMPTION, THE NR 1 AND NR 2 BEARING OIL SUMP WAS FOUND CRACKED IN TWO PIECES. NUMEROUS CRACKS BEYOND ACCEPTABLE LIMITS WERE ALSO FOUND DURING DISASSEMBLY OF THE LP COMPRESSOR ON STAGE 1, 1.5, 2 AND STAGE 3 STATOR. THE PARTS WERE REMOVED FROM SERVICE AND FURTHER EVALUATION IS BEING CARRIED OUT. A FURTHER REPORT WILL FOLLOW. PART TC: 14,715.