SDR FDEA200911063880

Service difficulty report · Crease Beam · Boeing 75723A

Difficulty date: November 6, 2009
Submitted: November 6, 2009
Operation: Air carrier
Aircraft: N921FD
Make and model: Boeing 75723A
Aircraft serial: 24924
Aircraft time: 68,004 hours, 21,149 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Part number: 143N832229
Condition: Corroded
Location: Bs 740-760
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 STA 740-760 RT SIDE INBD CREASE BEAM CHORD HAS CORROSION. REMOVED CORROSION ON CREASE BEAM IAW SRM 53-30-13 ORIG THICKNESS .070, AFTER REWORK .006 WITHIN LIMITS , REMOVED CORROSION ON WEB FOUND OUT OF LIMITS IAW SRM 53-30-15 FIG. 101 DET 4, ORIG. MAT .063 AFTER REWORK .010, FABED NEW WEB IAW DWG 143-8322, LOCATED, DRILLED AND INSTALLED IAW SRM 51-40-02, MAJOR REPAIR.

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