# SDR CALA2018060531395

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2018
- Submitted: June 5, 2018
- Operation: Air carrier
- Aircraft: [N37419](https://openairdocs.org/aircraft/N37419), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 31666
- Aircraft time: 34,173 hours, 11,778 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 141A541012
- Condition: Cracked
- Location: Bs 321
- 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/CALA2018060531395

## Discrepancy

MAIN CABIN FLOORBEAM WAS CRACK AT BS 321, BL 0 - LBL 45.   REMOVED AND REPLACED THE FLOORBEAM IAW.SRM 51-40-02, AND DWG 141A5400.

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