Service difficulty report · Floorbeam · Boeing 747212F

Difficulty date
April 2, 2007
Submitted
May 2, 2007
Operation
Air carrier
Aircraft
N644NW
Make and model
Boeing 747212F
Aircraft serial
24177
Aircraft time
69,320 hours, 12,718 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 440
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

DURING "M" CHECK, FOUND CORROSION ON UPPER DECK FLOORBEAM UPPER CHORD BS 440 LBL 76. REPAIRED PER EA 67-209236.