Service difficulty report · Floorbeam · Boeing 76734AF

Difficulty date
July 13, 2011
Submitted
July 27, 2011
Operation
Air carrier
Aircraft
N307UP
Make and model
Boeing 76734AF
Aircraft serial
27760
Aircraft time
408,181 hours, 12,852 cycles
Part
Floorbeam
Part number
146T51202
Condition
Corroded
Location
Bs 1518
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

INSPECTION TYPE:C, M/D BELOW FLOOR BS 1518, LBL 80 FLOORBEAM FOUND CORROSION. REPAIRED IAW RS R-53-65-37175 REV A & EO B767-5310-43604-A ORIG MAT IS BAC1506-4177-0775T6511 EXTRUSION, TOP FLANGE THICKNESS IS 0.0150, CORROSION BLENDED AREA IS 0.063" DEPTH, 1" WIDTH AND 2" LENGTH, MATERIAL AND 10134-2010-7075T6511 USED AS A REPAIR ANGLE WITH LENGTH 7.4375".

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