# SDR K11A2020010307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2018
- Submitted: January 3, 2020
- Operation: Air carrier
- Aircraft: [N331CK](https://openairdocs.org/aircraft/N331CK), registered now
- Make and model: Boeing 737375
- Aircraft serial: 23707
- Aircraft time: 73,325 hours, 44,925 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/K11A2020010307

## Discrepancy

BS 639 LBL 45.5 WL 204 FLOORBEAM WEB CRACKED @ 1 LOWER FASTENER

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