# SDR CALA2026011312921

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2026
- Submitted: January 13, 2026
- Operation: Air carrier
- Aircraft: [N35236](https://openairdocs.org/aircraft/N35236), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28801
- Aircraft time: 77,828 hours, 30,110 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A56761
- 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/CALA2026011312921

## Discrepancy

AFT WET AREA AT BS 947.5, LBL 20 TO LBL 23.  FLOORBEAM HAS CORROSION ON SURFACE AREAS.   REMOVED AND REPLACED THE FLOORBEAM IAW SRM 51-40-02-0G-0 AND DWG 147A5650.

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