# SDR CALA2026032714863

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2026
- Submitted: March 27, 2026
- Operation: Air carrier
- Aircraft: [N24736](https://openairdocs.org/aircraft/N24736), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28803
- Aircraft time: 81,552 hours, 28,632 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 141A5410U141
- Condition: Cracked
- Location: Zone 200
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026032714863

## Discrepancy

MAIN CABIN FLOOR STRUCTURE WET AREA BETWEEN STA 328 AND 344 LBL 30. FLOOR SUPPORT HAS CRACK.  REMOVED AND REPLACE FLOOR SUPPORT (INTERCOSTAL) AT MAIN CABIN FLOOR STRUCTURE WET AREA BETWEEN STA 328 AND STA 344, LBL 30 PER BOEING DRAWING 141A5410-16, SRM 51-40-05-0G-0 AND SRM 51-40-02-0G-0 AND DWG # 141A5400.

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