Service difficulty report · Pan · Boeing 747422

Difficulty date
September 1, 2010
Submitted
September 28, 2010
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
83,929 hours, 10,223 cycles
Engine
Pwa PW4056
Part
Pan
Condition
Cracked
Location
Galley Drain
Stage of operation
TO
How discovered
V
Nature of condition
O
Precautionary procedure
O

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

What was found

WATER POURING OUT OF CEILING ON T/O ROWS 20-25 ON LT SIDE CABIN TO RT OF THE LIGHTS. CONFIRMED U-D GALLEY SINK DRAIN AND CHILLER DRAIN PAN LINES ARE CLEAR, POUR SEVERAL GAL H2O DOWN EACH AND CONFIRM NO LEAKS INTO CABIN. CK U-D GALLEY CHILLER DRAIN PAN IS NOT DAMAGED, CK U-D GAL FOR H2O LEAK ONTO FLOORING, U-D GALLEY SINK TO BE DEFERRED IF SOURCE IS NOT DETERMINED. AFTER POURING H20 DOWN GALLEY DRAIN, INSPECTED CEILING & STOWBINS IN AREA OF ROWS 19-25. ALL AREAS WERE DRY. UPPER DECK GALLEY DRAIN DEACTIVATED PRECAUTIONARY UNTIL FURTHER TROUBLESHOOTING ACCOMPLISHED. FOUND CRACK IN GALLEY PAN DRIP SHIELD. SEALED PER MM. DRAIN REACTIVATED.