# SDR CALA2026040915242

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2026
- Submitted: April 9, 2026
- Operation: Air carrier
- Aircraft: [N24736](https://openairdocs.org/aircraft/N24736), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28803
- Aircraft time: 81,552 hours, 28,632 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 141A550425
- 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/CALA2026040915242

## Discrepancy

MAIN CABIN FLOOR STRUCTURE WET AREA  BS 328, RBL 45.5,  FLOORBEAM HAS CORROSION.  CUT THE DAMAGED FLANGES OF THE UPPER TEE OF FLOORBEAM AT MAIN CABIN FLOOR STRUCTURE WET AREA BS 328 , FABRICATED AND INSTALLED REPAIR IAW SRM 53-10-51-2R-7.

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