# SDR SWAA2021062942768

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2020
- Submitted: June 29, 2021
- Operation: Air carrier
- Aircraft: [N922WN](https://openairdocs.org/aircraft/N922WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32461
- Aircraft time: 41,140 hours, 24,679 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Plate
- Condition: Corroded
- Location: Bs 807-847
- 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/SWAA2021062942768

## Discrepancy

AFT CARGO DOORWAY SILL PLATE HAS AREAS OF CORROSION AND BARE METAL. WL 157 RBL 20 STA 807 - STA 847. / REMOVED CORROSION ON AFT CARGO SILL PLATE STA 801 - 847 RBL TO IAW SRM 51-10-02-0G-0 CONFIRMED WITH 10X MAG. MEASURED MATERIAL LOSS ORIGINAL (T) .045' REMAINING (T) .036' LOSS OF .009' OUT OF LIMITS IAW SRM 53-60-15-1A-1. REMOVED AND REPLACED SILL PLATE IAW SRM 51-40-02 AND BOEING DWG 146A8123 REV -. P/N 146A8123-25 WN8886.

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