# SDR SWAA2025120140303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2025
- Submitted: December 1, 2025
- Operation: Air carrier
- Aircraft: [N8513F](https://openairdocs.org/aircraft/N8513F), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36976
- Aircraft time: 30,119 hours, 15,044 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Proximity Sensor
- Condition: Faulted
- Location: Zone 500 Slat
- Stage of operation: CR
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025120140303

## Discrepancy

LEADING EDGE DEVICE EXTENDED ON ITS OWN AT FL 370 MACH .79.   PERFORMED LEADING EDGE FLAP/SLAT OPS TEST IAW 27-88-00-700-801; ALSO TASK 27-81-00-803 FLAP/SLAT TEST NOTE NR 1 KRUGER RETRACT SENSOR R & R.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
