# SDR SWAA2024011932736

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2023
- Submitted: January 19, 2024
- Operation: Air carrier
- Aircraft: [N457WN](https://openairdocs.org/aircraft/N457WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33856
- Aircraft time: 65,535 hours, 39,332 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 200 Fus Top
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024011932736

## Discrepancy

CRACK INTERCOSTAL - WEB FLOOR STRUCTURE BS 540 BETWEEN BL 0 AND RBL 24.75 CENTER SECTION 2023-766610<[01] REPLACED INTERCOSTAL WEB LOC. ON FLOOR STRUCTURE BS 540 BETWEEN BL 0 AND RBL 24.75 CENTER SECTION IAW B737-700 SRM: 51-10-02 Ï¿½TEM 9 AND 51-40-02. SEE INDIVIDUAL SIGNOFFS BELOW.;[02] CORRECTIVE ACTION CERTIFIED RII

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