Service difficulty report · Coupling · Boeing 777222

Difficulty date
July 8, 2013
Submitted
August 6, 2013
Operation
Air carrier
Aircraft
N212UA
Make and model
Boeing 777222
Aircraft serial
30218
Aircraft time
47,579 hours, 10,205 cycles
Engine
Pwa PW4077
Part
Coupling
Condition
Leaking
Location
Back Up Gen
Stage of operation
NR
How discovered
9
Nature of condition
K, J
Precautionary procedure
O

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

What was found

ELECTRICAL BACKUP GENERATOR FAILED. FOUND GENERATOR LOST OIL DUE SERVICE COUPLING LEAKING AND UNABLE TO RESET TO CLOSE. REPLACED COUPLING AND NO LEAKS NOTED. SERVICED GENERATOR. NR 2 BACK UP GENERATOR CHECKED NORMAL IAW AMM 24-25-00.