Service difficulty report · Carbon Seal · Boeing 757222

Difficulty date
April 6, 2007
Submitted
April 17, 2007
Operation
Air carrier
Aircraft
N598UA
Make and model
Boeing 757222
Aircraft serial
28751
Aircraft time
32,743 hours, 8,993 cycles
Engine
Pwa PW2037
Engine time
36,420 hours, 11,687 cycles
Part
Carbon Seal
Condition
Leaking
Location
Nr 1 Engine
Stage of operation
NR
How discovered
9
Nature of condition
J
Precautionary procedure
O

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

What was found

NR 1 ENGINE HIGH OIL CONSUMPTION EXCEEDS LIMIT. [SUP 06-06-07] DEOILER CARBON SEAL AND OTHER SEAL RINGS REPLACED TO CORRECT OIL CONSUMPTION. DEOILER CARBON SEAL P/N 7A0449; SEAL RING P/N 7T0541; PMA CARBON SEAL P/N 7T0530 AND SEAL RING 7T0536; STARTER CARBON SEAL P/N 7T0527.