# SDR AALA202302275643

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2023
- Submitted: February 27, 2023
- Operation: Air carrier
- Aircraft: [N918AN](https://openairdocs.org/aircraft/N918AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29519
- Aircraft time: 62,399 hours, 25,624 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Proximity Sensor
- Condition: Faulted
- Location: Zone 500 - Lh Wi
- Stage of operation: AP
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202302275643

## Discrepancy

AIRCRAFT WAS GROUNDED: ON APPROACH DURING CONFIGURATION LEADING EDGE FLAPS TRANSIT LIGHT ILLUMINATED WITH ASSOCIATED NUMBER 3 SLAT AMBER LIGHT ILLUMINATED. REMOVED AND REPLACED S173 LE FLAPS PROXIMITY SENSOR.

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