# SDR CALA0600295

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2006
- Submitted: August 14, 2006
- Operation: Air carrier
- Aircraft: [N23721](https://openairdocs.org/aircraft/N23721), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28940
- Aircraft time: 25,597 hours, 8,194 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A55048
- Condition: Corroded
- Location: Bs 947
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA0600295

## Discrepancy

INSPECTION FOUND UPPER SURFACE OF FLOORBEAM UPPER CHORD CORRODED AT STA 947.5, LBL 30-50 NEXT TO R-2 DOOR Z-ANGLE.  THE AREA WAS TRIMMED AND ANGLES WERE INSTALLED IAW ECRA 5321-01384.

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