SDR FDEA201005051464

Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date: May 5, 2010
Submitted: May 6, 2010
Operation: Air carrier
Aircraft: N925FD
Make and model: Boeing 7572B7
Aircraft serial: 27238
Aircraft time: 54,416 hours, 19,908 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1681.8
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

MAIN DECK FLOORBEAM STA 1681.8, LBL39 UPPER CHORD HAS CORROSION AROUND NUT PLATE. REMOVED CORROSION FROM F/B STA 1681 IAW SRM 51-10-02. BLENDED AREA L=4.0" W=1.0, D=.019, ORIG MAT 156 REMAINING 137 OUT OF LIMITS IAW SRM 53-99-51, FIG 101, DET III. REPAIRED FLOORBEAM STA 1681.8, LBL 39 IAW SRM 53-00-51 FIG 201, REPAIR 2. MAJOR REPAIR.

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