Service difficulty report · Seal · Boeing 777222

Difficulty date
March 10, 2013
Submitted
March 23, 2013
Operation
Air carrier
Aircraft
N206UA
Make and model
Boeing 777222
Aircraft serial
30212
Aircraft time
60,668 hours, 8,638 cycles
Engine
Pwa PW40903
Engine time
41,687 hours, 6,143 cycles
Part
Seal
Condition
Leaking
Location
Nr 4 Bearing
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

DUE TO EVIDENCE OF OIL IN NR 4 BEARING AIR SEAL, REPLACED NR 1 ENGINE PER AMM.