# SDR SWAA2018041221159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2018
- Submitted: April 12, 2018
- Operation: Air carrier
- Aircraft: [N208WN](https://openairdocs.org/aircraft/N208WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29856
- Aircraft time: 45,870 hours, 26,850 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Electronic Unit
- Part number: 285A12002
- Part serial: D01830
- Condition: Faulty
- Location: Slat System
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2018041221159

## Discrepancy

LEADING EDGE SLAT INDICATION AFTER TAKEOFF.  AIR TURNBACK AND AN EMERGENCY DECLARED.  R & R FLAP SLAT ELECTRONIC UNIT IAW MM.

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