# SDR CALA2025111911338

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2025
- Submitted: November 19, 2025
- Operation: Air carrier
- Aircraft: [N14237](https://openairdocs.org/aircraft/N14237), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28802
- Aircraft time: 80,115 hours, 29,985 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- 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/CALA2025111911338

## Discrepancy

MAIN CABIN FLOOR SUPPORT STRUCTURE INTERCOSTAL BETWEEN FRAMES AT STA 277 AND 294.5 AT BL0 HAS 2EA CRACKS AT THE FLOORBOARD ATTACH FASTENER HOLES.  REMOVED AND REPLACED FLOOR SUPPORT BETWEEN STA 277 AND STA 294.5 IAW DWG 141A5400 REV-, & SRM 51-40-05.

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