# SDR AALA202004069015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2020
- Submitted: April 6, 2020
- Operation: Air carrier
- Aircraft: [N822NN](https://openairdocs.org/aircraft/N822NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31085
- Aircraft time: 32,425 hours, 13,048 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Sensor
- Part number: 106122629
- Condition: Faulty
- Location: Lt Wing
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202004069015

## Discrepancy

AIRCRAFT WAS GROUNDED: TAKE-OFF CONFIGURATION WARNING HORN SOUNDS WHEN THROTTLES ARE ADVANCED.  FOUND SENSOR S174 A FAULT. REMOVED AND REPLACED IAW AMM 27-88-11

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