# SDR SWAA2026010548376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2025
- Submitted: January 5, 2026
- Operation: Air carrier
- Aircraft: [N453WN](https://openairdocs.org/aircraft/N453WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29847
- Aircraft time: 70,040 hours, 41,687 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Cracked
- 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/SWAA2026010548376

## Discrepancy

CRACKED FLOORBEAM BS 540 BTW BL 0 TO RBL 24.75 WL 208.1.   REPLACED IAW SRM 51-40-02; SRM 51-10-02, ITEM 9, AND DWG 143A0060, SHEET 36, REV A.

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