# SDR CALA2025100809793

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2025
- Submitted: October 8, 2025
- Operation: Air carrier
- Aircraft: [N18243](https://openairdocs.org/aircraft/N18243), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28806
- Aircraft time: 78,294 hours, 28,961 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A55068
- 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/CALA2025100809793

## Discrepancy

MAIN CABIN AFT WET AREA CORROSION AT FLOOR BEAM PREVIOUS REPAIRSTA 986.5 RBL 45"-LBL 45".   REMOVED AND INSTALLED REPAIR PARTS (T-CHORD -1 , ANGLES -2 , ANGLES -3, STRAP -4) AT STA 986.5 FROM LBL 51 TO RBL 51 IAW SRM 53-70-51-2R-4.

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