Service difficulty report · Engine · Boeing 767322

Difficulty date
December 1, 2010
Submitted
January 15, 2011
Operation
Air carrier
Aircraft
N667UA
Make and model
Boeing 767322
Aircraft serial
29239
Aircraft time
44,156 hours, 12,176 cycles
Engine
Pwa PW4056
Engine time
41,818 hours, 11,302 cycles
Part
Engine
Condition
Leaking
Location
Nr 2
Part time
41,818 hours, 11,302 cycles
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

NR 2 ENG STARTER HAS OIL ALL OVER IT. SUSPECT OIL LEAK. DRAINED OIL FROM NR 2 ENG STARTER, FOUND LEVEL OK AT 675ML AND MCD CLEAN. RESERVICED NR 2 ENG STARTER. NEEDS FURTHER TROUBLESHOOTING TO DETERMINE SOURCE OF OIL LEAK. NR 2 ENGINE MCD FOR THE NR 3 BEARING IS SHOWING APPROX 50 PERCENT OF FINES MATERIAL ON THE MCD HEAD. NR 2 ENGINE MCD FOR THE NR 1,1.5 AND NR 2 BEARING IS SHOWING MATERIAL FINES WHICH COVERS 100 PERCENT OF THE MCD TIP. REMOVED ENGINE SERIAL NR 727 817