# SDR CALA2025100709742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2025
- Submitted: October 7, 2025
- Operation: Air carrier
- Aircraft: [N33284](https://openairdocs.org/aircraft/N33284), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31635
- Aircraft time: 66,204 hours, 24,625 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 143A550224
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025100709742

## Discrepancy

FORWARD PASSENGER CABIN FLOORBEAM UPPER SURFACE HAS CORROSION SPOT  B.S. 380 LBL. 56".  REMOVED CORROSION ON CABIN FLOORBEAM UPPER SURFACE B.S. 380 LBL 56", AND ACCOMPLISHED REPAIR IAW REF. AAR-MIA ESR-WI#13-12756 REV. ORIGINAL.

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