# SDR SWAA2022020337469

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2017
- Submitted: February 3, 2022
- Operation: Air carrier
- Aircraft: N409WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27896
- Aircraft time: 56,400 hours, 33,004 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Aft Upper Fusela
- 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/SWAA2022020337469

## Discrepancy

FUSELAGE SKIN UNDER DORSAL FIN HAS AREAS OF CORROSION BETWEEN STA. 966.7 AND 1000.57 AND BETWEEN STA. 926.7 AND 947.5 / CORROSION DAMAGE ON FUSELAGE SKIN UNDER DORSAL FIN BETWEEN STA. 966.7 AND 1000.57 AND BETWEEN STA 926.7 AND 947.5 PER ER #17-04788 REV IR AND EA 1-753-31912 REV IR

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