# SDR SWAA2025092417727

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2025
- Submitted: September 24, 2025
- Operation: Air carrier
- Aircraft: [N431WN](https://openairdocs.org/aircraft/N431WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29845
- Aircraft time: 75,864 hours, 45,050 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Proximity Sensor
- Condition: Faulted
- Location: Zone 500 Slats
- Stage of operation: CR
- 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/SWAA2025092417727

## Discrepancy

FL370 LE FLAPS TRANIT LIGHT ILLUMINATED #2 SLAT POSITION PERFORMED QRH PROCEDURE BELOW FL200. LIGHT STAYED ON; PERFORMED. F15 LANDING NO FLAP LOCKOUT NORMAL LNDG.   REPLACED #2 LEADING EDGE SLAT PROXIMITY SENSOR IAW 27-88-11. OPS CHECKS GOOD.

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