Service difficulty report · Floorbeam · Boeing 767323

Difficulty date
February 4, 2004
Submitted
February 13, 2004
Operation
Air carrier
Aircraft
N7375A
Make and model
Boeing 767323
Aircraft serial
25202
Part
Floorbeam
Part number
141T5114
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
V
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

AFW - FLOORBEAM AT STATION 347, ON THE BOTTOM SURFACE OF THE UPPER FLOORBEAM AT APPROXIMATELY RBL 73, HAD CORROSION IN AN AREA OF 0.8 INCHES BY 0.5 INCHES AND A DEPTH OF 0.026 AND WAS BEYOND SRM LIMITS. BLENDED OUT CORROSION IN AN AREA OF 0.80 BY 0.50 INCHES MAXIMUM DEPTH OF 0.026 INCHES. PARENT MATERIAL THICKNESS IS 0.090 INCHES. TOTAL THICKNESS LOSS IS 28.9 PERCENT. AREA ALODINED AND FINISHED WITH TWO COATS OF BMS10-11 PRIMER. BLENDED AND FILLED WITH BMS5-95.