# SDR CALA2025051504696

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2025
- Submitted: May 15, 2025
- Operation: Air carrier
- Aircraft: [N77537](https://openairdocs.org/aircraft/N77537), registered now
- Make and model: Boeing 737824
- Aircraft serial: 62767
- Aircraft time: 27,406 hours, 10,113 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A550429
- 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/CALA2025051504696

## Discrepancy

AFT CABIN FLOOR STRUCTURE WET AREA STA 947 LBL 24 AROUND  AFT-I/B LAV "D " ATTACHED FITTING HAS CORROSION.   (REF AAR N/R 9970910) UPDATE LOG PAGE TO REFLECT ESFR CABIN FLOOR BEAM AT  STA 947 LBL 24 REPAIR WAS ACCOMPLISHED AS PER SRM 53-70-51-2R-5 REPAIR 5 AND ESR-WI NO.: 2023424-12-12169, EC/RA : 5370-01177.

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