Service difficulty report · Tank · Boeing 747422

Difficulty date
July 17, 2012
Submitted
August 24, 2012
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
90,734 hours, 10,952 cycles
Engine
Pwa PW4056
Part
Tank
Condition
Leaking
Location
Rt Wing
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

FUEL DRAINING FROM RIGHT WING SURGE TANK AFTER PUSHBACK, SURGE TANK PREVIOUSLY DRAINED PRIOR TO DEPT FOR SAME SITUATION. DRAINED SURGE TANK AND ACCOMP FIM TASK 28-21 CONFIG 1. VERIFIED NO LEAKS INTO SURGE TANK. TANK EMPTY AFTER REFUELING. OK FOR SVC.