# SDR SWAA2018011118989

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2018
- Submitted: January 11, 2018
- Operation: Air carrier
- Aircraft: N493WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32477
- Aircraft time: 46,089 hours, 27,065 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Fseu
- Part number: 285A12002
- Part serial: D02485
- Condition: Faulty
- Location: E&E Bay
- Stage of operation: TO
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2018011118989

## Discrepancy

DIVERSION, ON TAKEOFF DURING FLAP RETRACTION, FLAPS LOCKED UP BETWEEN 0 & 1 RIGHT FLAP LAGGED WITH LEADING EDGE FLAP TRANSIT LIGHT ILLUMINATED RAN QRH & LANDED FLAPS 0.  R&R FLAP SLAT ELECTRONIC UNIT PER MM.

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