# SDR SWAA2025012181153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2024
- Submitted: January 21, 2025
- Operation: Air carrier
- Aircraft: [N275WN](https://openairdocs.org/aircraft/N275WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36153
- Aircraft time: 57,228 hours, 34,435 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- 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/SWAA2025012181153

## Discrepancy

MAIN CABIN; FLOOR STRUCTURE SUPPORT HAS CRACK AT STA 540; BL 0 TO LBL 24.75 2024-767240<[01] REPLACED STRUCTURE SUPPORT LOC. STA 540 BL 0 TO LBL 24.75 CENTER SECTION IAW B737-700 SRM 51-40-02-0G-0 AND DWG 143A0060 SHEET 121 REV B.;[02] CORRECTED STEP 1. REPLACED STRUCTURE SUPPORT LOC. STA 540 BL 0 TO LBL 24.75 CENTER SECTION IAW B737-700 SRM 51-40-02-0G-0 AND DWG 143A0060 SHEET 121 REV B. SEE INDIVIDUAL SIGN OFF BELOW.;[03] REPLACED STRUCTURE SUPPORT LOC. STA 540 BL 0 TO LBL 24.75 CENTER SECTION IAW B737-700 SRM 51-40-02-0G-0 AND DWG 143A0060 SHEET 121 REV B. SEE INDIVIDUAL SIGN OFF BELOW.

---
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.