# SDR SWAA2021021642020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2021
- Submitted: February 17, 2021
- Operation: Air carrier
- Aircraft: N401WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29813
- Aircraft time: 68,079 hours, 40,102 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- 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/SWAA2021021642020

## Discrepancy

***CORROSION*** ON FUSELAGE UPPER SKIN UNDER VERTICAL STAB; BS 1024 TO 1036; STR 1 TO 2 LT; WL 308 / REMOVED CORROSION ON FUSELAGE SKIN UNDER VERTICAL STAB B/S 1024-1036 STR 1-2 L/H W/L 308. REPAIRED PER ATS ER 21-01081 REV IR AND SWA EA 21-153-00179 REV IR

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