Service difficulty report · Tank · Boeing 747422

Difficulty date
February 11, 2014
Submitted
February 13, 2014
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
97,087 hours, 11,592 cycles
Engine
Pwa PW4056
Part
Tank
Condition
Leaking
Location
Fuel System
Stage of operation
IN
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

MAJOR FUEL SPILL 500 USG DURING REFUELING OPERATION. FUEL WAS DRAINING FROM THE SURGE TANK.