# SDR 97UAL900091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N976UA](https://openairdocs.org/aircraft/N976UA), registered now
- Make and model: Boeing 737291
- Aircraft serial: 21598
- Engine: Pwa JT8D17
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Proximity Sensor
- Part number: 1899
- Condition: Malfunctioned
- Location: Nr 2 Le Slat
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900091

## Discrepancy

WITH FLAPS UP  DURING CRUISE, THE LEADING EDGE FORWARD TRANSIT LIGHT AND THE OVERHEAD ANNUNCIATOR  TRANSIT LIGHT FOR SLAT NR 2 IS ON STEADY.  SUPPLEMENTAL DATA UPDATE NUMBER 2 SLAT FULL EXTEND PROXIMITY SENSOR WILL NOT DEACTUATE.  REPLACED PROXIMITY SENSOR AND THERE HAVE BEEN NO FURTHER NUMBER 2 SLAT INDICATION PROBLEMS.

---
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.