# SDR SWAA2024080909924

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2024
- Submitted: August 9, 2024
- Operation: Air carrier
- Aircraft: [N257WN](https://openairdocs.org/aircraft/N257WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32515
- Aircraft time: 59,419 hours, 35,640 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Zone 100
- 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/SWAA2024080909924

## Discrepancy

MULTIPLE CORROSION ON AFT CARGO BAY LH FLOOR TO SIDEWALL SUPPORT SECTION 5;787+10 TO 847+13; RBL 21; WL 156 . MULTIPLE CORROSION ON AFT CARGO BAY LH FLOOR TO SIDEWALL SUPPORT SECTION 5787+10 TO 847 RBL 21 WL 156<[01] REMOVED CORROSION DAMAGE IAW SRM 51-10-02<BR>DAMAGE FOUND TO BE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-53-1A-2<BR>REMOVED DAMAGED SIDEWALL SUPPORT IAW SRM 51-40-02<BR>INSTALLED NEW SIDEWALL SUPPORT IAW SRM 51-40-02 AND DWG 146A7500 REV: A;[02] EDITED TABLE;[03] VERIFIED;[04] VERIFIED CORRECTIVE ACTION 1

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