Service difficulty report · Floor · Boeing 777222

Difficulty date
March 17, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N777UA
Make and model
Boeing 777222
Aircraft serial
26916
Engine
Pwa PW4077
Part
Floor
Part number
173821
Condition
Corroded
Location
Galley
Stage of operation
IN
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

FOUND MID GALLEY FLOOR PANELS (REF IPC 25-31-01-075) WHICH HAD HEAVY CORROSION ON THE AFT EDGE OF THE FORWARD PANEL AND THE FORWARD EDGE OF THE REAR PANEL. THERE WAS NO SEALANT BETWEEN THE THRESHOLD PLATE AND THE GALLEY FLOOR PAN. THIS CONDITION ALLOWED MOISTURE TO BE TRAPPED BETWEEN THE THRESHOLD PLATE AND THE FOOD CART RAMP AREA OF THE PALLET CAUSING CORROSION. INTERIM REPAIRED PER EVA MOC1-7614. PALLET AND THRESHOLD PLATE TO BE REPLACED AT NEXT 'C' CHECK.