Service difficulty report · Seal · Boeing 757222

Difficulty date
March 26, 2013
Submitted
April 1, 2013
Operation
Air carrier
Aircraft
N551UA
Make and model
Boeing 757222
Aircraft serial
25399
Aircraft time
80,477 hours, 23,305 cycles
Engine
Pwa PW2037
Engine time
67,807 hours, 23,224 cycles
Part
Seal
Condition
Leaking
Location
Nr 2 Engine
Stage of operation
NR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

NR 2 ENG OIL CONSUMPTION CONTINUES TO INCREASE THE DEOILER ROTATING RING AND SEALS HAVE BEEN REPLACED. NOW CHECK FOR OIL LEAKS PER MM 79-00-95 PG 201 AND MM71-05-00 FIG 109. IF NO LEAKS FOUND ON VISUAL CHECKS RUN ENG AT 80% N1 FOR MINIMUM OF 10 MINUTES WITH BAGS ON DRAIN. IF UNABLE TO RUN, PERFORM STATIC LEAK CHECKS PER MM 71-08-00 FIG 102. FOUND EDP DRIVE SEAL LEAKING. REPLACED PER MM 72-61-02 PG 401 AND MM 29-11-05.