# SDR SWAA2017100316865

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2017
- Submitted: October 3, 2017
- Operation: Air carrier
- Aircraft: N557WN
- Make and model: Boeing 737790
- Aircraft serial: 30166
- Aircraft time: 55,212 hours, 25,579 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- Part number: 176A8340
- Condition: Corroded
- Location: Fuselage
- 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/SWAA2017100316865

## Discrepancy

AFT CARGO DOORWAY LOWER THRESHOLD WEB CORRODED BETWEEN BS 795 TO BS 847.  R&R WEB IAW SRM AND DWG.

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