Service difficulty report · Floorbeam · Boeing 767323

Difficulty date
October 11, 2004
Submitted
November 10, 2004
Operation
Air carrier
Aircraft
N382AN
Make and model
Boeing 767323
Aircraft serial
25451
Part
Floorbeam
Part number
141T5113
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 - UPPER SURFACE OF FLOORBEAM AT STATION 325 HAD CORROSION BLENDED BEYOND SRM LIMITS. BLENDS AT RBL 17, 22, 22.5, 26.5, 31, 35.5, 37.5, 40, 41.5, AND 47. THE CRITICAL BLEND IS AT RBL 17. IT IS 0.8 INCH DIAMETER WITH .048 INCH REMAINING FROM A THICKNESS OF .085 INCH. FABRICATED REPAIR STRAP OUT OF 301 1/2H STAINLESS STEEL 0.050 INCH THICK. ALODINE ALL BARE ALUMINUM SURFACES. FINISH BLENDS AND REPAIR PARTS WITH 2 COATS BMS10 11 PRIMER. FILL BLENDS WITH BMS 5 95 SEALANT. INSTALL REPAIR STRAP WET WITH BMS5 95 SEALANT. FASTENERS TO BE INSTALLED WITH 4 6D SPACING.