# SDR AALA20171125007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2017
- Submitted: November 29, 2017
- Operation: Air carrier
- Aircraft: [N914AN](https://openairdocs.org/aircraft/N914AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29515
- Aircraft time: 55,681 hours, 22,336 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Sensor
- Condition: Faulty
- Location: Le Flaps
- Stage of operation: CL
- How discovered: O
- Nature of condition: J, F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20171125007

## Discrepancy

EMERGENCY DECLARED.   FLIGHT RETURNED TO DEPARTURE DUE TO A SLAT DISAGREE.  RETRACTED FLAPS, GAUGE INDICATED UP BUT THE LEADING EDGE FLAPS TRANSIT LIGHT REMAINED ILLUMINATED.  LANDING UNEVENTFUL.  REMOVED AND REPLACED LE SLAT 2 OTBD SENSOR S996 AND LE SLAT 2 RETRACT SENSOR S1094 IAW WDM 27-81-12. OPS CHECKED GOOD.  AIRCRAFT WAS GROUNDED.

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