SDR AALA20050592

Service difficulty report · Floorbeam · Boeing 767323

Difficulty date: August 29, 2005
Submitted: September 13, 2005
Operation: Air carrier
Aircraft: N389AA
Make and model: Boeing 767323
Aircraft serial: 27449
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 764
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 FLOORBEAM AT STATION 764 HAS CORROSION REMOVAL BEYOND SRM LIMITS. AREA WAS 1.0 INCH BY .030 INCH WITH A DEPTH OF .030 INCH. FABRICATED REPAIR STRAP FROM 301 AND A HALF HARD STAINLESS STEEL .063 THICK. ALODINED ALL BARE ALUMINUM SURFACES. FINISHED BLEND AND REPAIR PARTS WITH TWO COATS OF BMS 10-11 PRIMER. FILLED BLENDS WITH BMS592. INSTALLED REPAIR STRAP WITH BMS595 SEALANT USING BACB30NW6 FASTENERS. INSTALL BALANCING STRAP ON BOTTOM WITH BACB30MY6 FASTENERS. 4 6D SPACING.