# SDR NACA20050024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2005
- Submitted: October 19, 2005
- Operation: Air carrier
- Aircraft: [N727YK](https://openairdocs.org/aircraft/N727YK), registered now
- Make and model: Boeing 727-22C
- Registry model: [Boeing 727-22C](https://openairdocs.org/model/boeing-727-22c) (OpenAirDocs)
- Aircraft serial: 19806
- Aircraft time: 54,990 hours, 39,385 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Position Switch
- Part number: H1010262
- Part serial: 3266
- Condition: Malfunctioned
- Location: Le Slats
- Stage of operation: CR
- 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/NACA20050024

## Discrepancy

OUT OF 19,000 FEET NR 4 LEADING EDGE LIGHT CAME ON.  AT 11,000 FEET THE LIGHT WENT OUT.  REMOVED & REPLACED FLAP POSITION SWITCH.  OP CHECKED GOOD IAW UAL 727 AMM 27-81-0 PG 512.  NR 4 K-FLAP RT LEADING EDGE.

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