# SDR SWAA2025090405377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2025
- Submitted: September 4, 2025
- Operation: Air carrier
- Aircraft: [N447WN](https://openairdocs.org/aircraft/N447WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33720
- Aircraft time: 70,511 hours, 42,001 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Location: Zone 200
- 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/SWAA2025090405377

## Discrepancy

CORROSION ON WEB LOCATED BTW BS 440 TO BS 492 AT LEVEL STR 18R AND WL 201 AT FWD CARGO COMPARTMENT.  REPLACED WEB AND FASTENERS UPPER WEB LOCATED BTW BS 440 TO BS 492 AT LEVEL STR 18R RBL 70 WL 201 IAW SRM 51-40-02-0G-0 AND DWG 143A8111; SHEET 12; REV.A. AND DWG 143A0081; SHEET 38; REV.B.

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