# SDR SWAA2024020935646

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2023
- Submitted: February 9, 2024
- Operation: Air carrier
- Aircraft: [N452WN](https://openairdocs.org/aircraft/N452WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29846
- Aircraft time: 65,652 hours, 39,325 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: UNKNOWN
- Condition: Corroded
- Location: Bs 727-847
- 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/SWAA2024020935646

## Discrepancy

***CORROSION*** LH SIDE PLATE (Z CHANNEL) SHOWS SEVERAL SPOTS OF CORROSION FROM STA 847 TO STA 727. DOT 82-012.<[01] REMOVED AND REPLACED Z CHANNEL AT AFT CARGO COMPT FROM STA 727 TO STA 847 PER REF SRM 51-40-02-0G-0 AND DWG#146A7502.;[02] VERIFIED STEP # 1

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