# SDR SWAA2025031095427

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2025
- Submitted: March 10, 2025
- Operation: Air carrier
- Aircraft: [N7745A](https://openairdocs.org/aircraft/N7745A), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33933
- Aircraft time: 56,035 hours, 29,184 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Zone 100
- 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/SWAA2025031095427

## Discrepancy

CUSTOMER REQUEST AAI INSPECTION: MAIN CABIN; FLOOR STRUCTURE HAS CRACK AT STA 540 BL0 TO LBL 24.75 2025-110798 <[01]. REPLACED INTERCOSTAL WEB AND FASTENERS LOCATED STA 540; BL0 TO L BL 24.75 I.A.W B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG 143A5240 SHEET 14 REV- AND DWG 143A0060 SHEET 46 REV-.  SEE INDIVIDUAL SIGN OFF BELOW; [02] REPLACED INTERCOSTAL WEB AND FASTENERS LOCATED STA 540; BL0 TO L BL 24.75 I.A.W B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG 143A5240 SHEET 14 REV- AND DWG 143A0060 SHEET 46 REV-.  SEE INDIVIDUAL SIGN OFF BELOW. CERTIFIED AS RII.

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