SDR FDEA201112305460

Service difficulty report · Floor Panel · Boeing 75721B

Difficulty date: December 30, 2011
Submitted: January 12, 2012
Operation: Air carrier
Aircraft: N957FD
Make and model: Boeing 75721B
Aircraft serial: 24774
Aircraft time: 52,597 hours, 31,677 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Part number: 146N53181
Condition: Corroded
Location: Bs 1681-1691
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

AFT CABIN CORROSION ON FLOOR PANEL AT STA 1681-1691, BL.0 TO LBL 68. CORROSION REMOVED AND TREATED IAW SRM 51-10-02 AND SRM 51-20-01 REV.104. REPAIR CARRIED OUT IAW SRM 53-60-51 REPAIR 2, REV. 104, FIG. 201. REPAIR CLASSIFIED AS MAJOR.

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