# SDR SWAA2023030697675

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2023
- Submitted: March 6, 2023
- Operation: Air carrier
- Aircraft: [N7746C](https://openairdocs.org/aircraft/N7746C), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33934
- Aircraft time: 50,644 hours, 26,573 cycles
- System (JASC): [5714 · Wing, Center Box](https://openairdocs.org/jasc/5714)
- Part: Stiffener
- Condition: Cracked
- Location: Zn 100 Fus Lower
- 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/SWAA2023030697675

## Discrepancy

CRACK STIFFENER FLOOR STRUCTURE LOCATED BS540 BTW LBL24.8 AND BL0.0 CENTER SECTION 2023-99103<[01] REPLACED STIFFENER FLOOR STRUCTURE LOCATED BS540 BTW LBL24.8 AND BL0.0 CENTER SECTION IAW B737-700 SRM 51-10-02 Ï¿½TEM 9 AND SRM 51-40-02 SEE INDIVIDUAL SIGNOFFS BELOW;[02] CERTIFIED STEP 1; COMPLETED <BR>ITEM RII

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.