Service difficulty report · Floorbeam · Boeing 767323

Difficulty date
October 11, 2004
Submitted
August 1, 2005
Operation
Air carrier
Aircraft
N382AN
Make and model
Boeing 767323
Aircraft serial
25451
Part
Floorbeam
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 LIMITS. BLENDS AT RIGHT BUTTLINES 17, 22, 22.5, 26.5, 31, 37.5, 40, 41.5, AND 47. CRITICAL BLENDS AT RIGHT BUTTLINE 17 IS 0.8 INCH IN DIAMETER WITH .048 REMAINING FROM A PARENT THICKNESS OF .085. FABRICATED REPAIR STRAP OUT OF 301 AND ONE HALF H STAINLESS STEEL 0.050 INCH THICK. ALODINE ALL BARE ALUMINUM SURFACES. FINISH BLENDS AND REPAIR PARTS WITH TWO COATS BMS10 11 PRIMER. FILLED BLENDS WITH BMS595 SEALANT. INSTALLED REPAIR STRAP WET WITH BMS595 SEALANT. INSTALLED FASTENERS WITH 46D SPACING.