Service difficulty report · Vent · Boeing 747422

Difficulty date
April 18, 2008
Submitted
April 23, 2008
Operation
Air carrier
Aircraft
N194UA
Make and model
Boeing 747422
Aircraft serial
26892
Aircraft time
43,806 hours, 5,006 cycles
Engine
Pwa PW4056
Part
Vent
Condition
Leaking
Location
Wing Fuel
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

AIRCRAFT HAD 2 MAJOR FUEL SPILLS OUT OF RT WING VENT WHILE DEFUELING TO FERRY. ALL WING TANKS WERE FULL AT THE TIME EXCEPT CENTER WHICH WAS BEING PUMPED OUT. PROBLEM HAS TO BE FUEL LEAKING INTO A TANK, NOT VTO PROBLEM.