# SDR SWAA2025102727936

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2025
- Submitted: October 27, 2025
- Operation: Air carrier
- Aircraft: [N263WN](https://openairdocs.org/aircraft/N263WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32520
- Aircraft time: 58,071 hours, 34,958 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Sensor
- Condition: Faulty
- Location: Zone 500 K Flaps
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025102727936

## Discrepancy

LE FLAPS TRANSIT AT FLAPS 10 AND BEYOND. ALL LE DEVICES APPEARED EXTENDED; NO ASYMMETRY WAS DETECTED NOR ANY SKEW.   PERFORMED BYTE CHECK, FOUND FAULT 27-81215. SLAT 8 INBD SENSOR FAULTY PER FIM 27-88 TASK 804. R AND R S8 INBD SENSOR PER AMM 27-88-11. OPS CHK GOOD.

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