SDR FDEA200910123543

Service difficulty report · Floorbeam · Boeing 75723A

Difficulty date: October 12, 2009
Submitted: October 12, 2009
Operation: Air carrier
Aircraft: N921FD
Make and model: Boeing 75723A
Aircraft serial: 24924
Aircraft time: 68,004 hours, 21,149 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 143N50013
Condition: Corroded
Location: Bs 440
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MAIN CABIN FLOORBEAM, STA 440, LBL 62 HAS CORROSION AROUND SCREW HOLE. REMOVED CORROSION IAW SRM 53-00-51 2 BS 440, LBL 62, AND FOUND TO BE OUT OF LIMITS. ORIGINAL MATERIAL: .120", AFTER REWORK: .098". REMOVED AND REPLACED FLOORBEAM IAW SRM 51-40-02. THIS REPAIR IS CLASSIFIED AS A CAT. "A" MAJOR REPAIR.

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