# SDR 98UAL900308

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N987UA
- Make and model: Boeing 737291
- Aircraft serial: 21749
- Engine: Pwa JT8D17
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Prox Sensor
- Condition: Failed
- Location: Le Flaps
- Component: Eldec Corpor, 106122615
- Stage of operation: NR
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98UAL900308

## Discrepancy

ON FLAP RETRACTION, THE LEADING EDGE FLAP TRANSIT LIGHT REMAINED ILLUMINATED.  *S/D*  THE LEADING EDGE FLAP RETRACT PROXIMITY SENSOR WAS REPLACED.  THE FLAP POSITION INDICATION SYSTEM HAS OPERATED NORMALLY SINCE THE REPLACEMENT.

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