# SDR SWAA2024061485219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2024
- Submitted: June 14, 2024
- Operation: Air carrier
- Aircraft: [N258WN](https://openairdocs.org/aircraft/N258WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32516
- Aircraft time: 58,407 hours, 35,020 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: UNKNOWN
- Condition: Corroded
- Location: Bs 294-312 Bl 0
- 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/SWAA2024061485219

## Discrepancy

CORROSION FOUND ON INTERCOASTAL FLOOR BEAM BETWEEN BS 294-312; BL 0; WL 208 UPDATE-CORROSION FOUND ON INTERCOASTAL FLOOR BEAM BETWEEN 294-312 LBL 11 WL 208.<[01] REMOVED AND REPLACED NEW INTERCOSTAL FROM BS294-BS312; LBL11 PER SRM 51-40-02 AND PER DWG#141A5600;[02] REMOVED AND REPLACED NEW INTERCOSTAL FROM BS294-BS312; LBL11 PER SRM 51-40-02 AND PER DWG#141A5600 REV N;[03] VERIFIED CORRECTIVE ACTION 2.

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