# SDR CALA2026061817180

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2026
- Submitted: June 19, 2026
- Operation: Air carrier
- Aircraft: [N79541](https://openairdocs.org/aircraft/N79541), registered now
- Make and model: Boeing 737824
- Aircraft serial: 63725
- Aircraft time: 26,866 hours, 10,086 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 143A524035SD
- 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/CALA2026061817180

## Discrepancy

FOUND CRACK  MAIN CABIN CTR AISLE FLOOR SUPPORT BREAK @ STA 540 BL-0 TO LBL 24 MKD DOT 60-049 REF. AAR N/R:100039636 REMOVED AND REPLACED FLOOR SUPPORT AT MAIN CABIN BL-0 TO LBL 24 STA 540 IAW B-737-800 SRM 51-40-02-0G-0 AND DWG 143A5240 PENDING ESFR ENTRY ,NO DIP IS REQUIRED.   REMOVED AND REPLACED FLOOR SUPPORT AT MAIN CABIN BL-0 TO LBL 24 STA 540 IAW B-737-800 SRM 51-40-02-0G-0 AND DWG 143A5240,

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