SDR FDEA202311201865

Service difficulty report · Floorbeam · Boeing 757200

Difficulty date: November 20, 2023
Submitted: November 21, 2023
Operation: Air carrier
Aircraft: N920FD
Make and model: Boeing 757200
Aircraft serial: 24289
Aircraft time: 78,775 hours, 29,628 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 143N50721
Condition: Corroded
Location: N/A
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 FLOOR BEAM AT STA 880 LBL 48 TO 62 LBL SURFCE CORROSION. DOT 101. ACCOMPLISHED EA F-5321-T0376857 P1 "FUSELAGE MAINFRAME SECTION 43, FLOOR BEAM ASSY CORROSION, STA879, UPPER CHORD, LBL 45-58, DEVIATION FROM TYPICAL SRM REPAIR, WITH NO DEVIATION.

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