SDR FDEA201004171212

Service difficulty report · Floorbeam · Boeing 757204

Difficulty date: April 17, 2010
Submitted: April 19, 2010
Operation: Air carrier
Aircraft: N924FD
Make and model: Boeing 757204
Aircraft serial: 26267
Aircraft time: 58,915 hours, 21,446 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1681
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

PREVIOUS REPAIR AT BS1681-8, FLOORBEAM LBL 24.75 TO 32.5 HAS CORROSION ON UPPER FLANGE. PREVIOUS BLEND OUT AT LBL 32.5 IS PITTED. REMOVED EXISTING REPAIR IAW EA NR F5310-131583, FABRICATED REPAIR STRAP FROM MAT 7075-76 0.090", FABRICATED REPAIR ANGLE NR 1, NR 2 ON FAB. SHOP (MAE) TRAVELER NR T10824094 AND NR T10874055, LOCATED AND DRILLED AND INSTALLED REPAIR STRAP , ANGLES REPAIR NR 1, NR 2 IAW EA NR F5310-131583. FUSELAGE CORROSION AT EXISTING BS 1681 FL BEAM REPAIR, AT LBL32.5. MAJOR REPAIR.