Service difficulty report · Fuel Tank · Boeing 747422

Difficulty date
January 4, 2012
Submitted
January 26, 2012
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
89,172 hours, 10,800 cycles
Engine
Pwa PW4056
Part
Fuel 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

FOUND FUEL LEAKING FROM BOTTOM OF RIGHT WING NR 3 MAIN TANK AFT MID SPARE SEAM, 6 INCHES OTBD OF WING ROOT. ACCOMPLISHED PERMANENT REPAIR REF SERVICE TIP MM 57-52-96.