Service difficulty report · Floorbeam · Boeing 76734AF

Difficulty date
October 11, 2011
Submitted
October 21, 2011
Operation
Air carrier
Aircraft
N314UP
Make and model
Boeing 76734AF
Aircraft serial
27742
Aircraft time
41,596 hours, 13,053 cycles
Part
Floorbeam
Part number
146T51212
Condition
Corroded
Location
Main Deck
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, MAIN DECK BS 1540 RBL 71.25" FLOORBEAM FWD FACE UPPER CHORD FOUND CORROSION. FLOORBEAM REPAIRED IAW RS R53-65-37244, REV A & EO B767-5310-44764-A, ORG MATERIAL IS BAC1506-4177-7075T6511 EXTRUSION, ORG THICKNESS 0.150" CORROSION BLEND OUT AREA DEPTH 0.072" X WIDTH 2" X LENGTH 5" REPAIR CLASSIFIED AS MAJOR REPAIR WITH MAT'L AND10134-2007-7075T6511 AS A REPAIR ANGLE, TOTAL REPAIR SIZE IS 10.5" X 1.25" X 1".

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