SDR IPXA11668179

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: 40,818 hours, 12,852 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 146T51212
Condition: Corroded
Location: Bs 1540
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 1540 LBL 75 FLOORBEAM FOUND CORROSION. REPAIRED IAW HX RS R-53-65-37170 REV A & EO B767-5310-43603-A. ORIG MAT IS BAC1506-4177-7075T6511 EXTRUSION, TOP FLANGE THICKNESS IS 0.150, CORROSION BLENDED AREA IS 0.050" DEPTH, 1" WIDTH AND 4" LENGTH, MATERIAL AND10134-1404-7075T6511 USED AS A REPAIR ANGLE WITH LENGTH 10.3125".

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