# SDR SWAA2024121772383

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2024
- Submitted: December 17, 2024
- Operation: Air carrier
- Aircraft: [N439WN](https://openairdocs.org/aircraft/N439WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29834
- Aircraft time: 70,839 hours, 42,333 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Corroded
- 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/SWAA2024121772383

## Discrepancy

CORROSION ON AFT CARGO COMPARTMENT VERTICAL WEB STA 795-797; RBL 21; WL 153-155; O/B SURFACE.<[01] FOUND CORROSION OUT OF LIMITSIAW SRM 53-60-15-1A-1. AND REPLACED VERTICAL WEB STA 795-847; RBL 21; WL 153-155 IAW SRM 51-40-02 AND BOEING DWG# 146A8121 REV:-; AND BOEING DWG 146A8120 REV:-;[02] VERIFIED CORRECTIVE ACTION ENTRY 1.

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