SDR FDEA200911204092

Service difficulty report · Floorbeam · Boeing 75723A

Difficulty date: November 20, 2009
Submitted: November 20, 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: 60348818
Condition: Corroded
Location: Bs 324
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 CABIN FLOOR STR STA 324 RBL 39 TO 46 FLOORBEAM UPPER SURFACE HAS AREAS OF CORROSION. REMOVED FLOOR T-CHORD, AND ATTACHING PARTS, FABRICATED NEW TEE , WEB, & EXTRUSION. INSTALLED NEW TEE, NEW WEB, NEW EXTRUSION AND ATTACHING PARTS STA 324- 344, LBL 60-RBL 58, IAW SRM 51-40-02. CATEGORY "A", MAJOR REPAIR.

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