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) THE ENGINE WAS INDUCTED IN THE SHOP FOR HIGH OIL CONSUMPTION. DURING DISASSEMBLY, THE NR 1 AND NR 2 BEARING SUMP WAS FOUND CRACKED IN TWO PIECES. NUMEROUS CRACKS ABOVE AND BEYOND ANY ACCEPTABLE LIMITS WERE ALSO IDENTIFIED DURING DISASSEMBLY OF THE LP COMPRESSOR ON STAGE 1, STAGE 1.5, STAGE 2, AND STAGE 3 STATORS. THE PARTS WERE REMOVED FROM SERVICE. PART TC: 14,715.