# SDR CALA2026042415714

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2026
- Submitted: April 24, 2026
- Operation: Air carrier
- Aircraft: [N73270](https://openairdocs.org/aircraft/N73270), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31632
- Aircraft time: 75,425 hours, 26,578 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/CALA2026042415714

## Discrepancy

CORROSION - FWD WET AREA FLOORBEAM STA 328 AT RBL 46.   INSTALLED REPAIR AT FWD WET AREA FLOORBEAM UPPER CHORD REPAIR FROM RBL-20.5 TO RBL-65 STA 328 REF SRM 51-40-02-0G-0 AND 53-10-51-2R-7,

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