# SDR UPS97825334

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N718UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 46018
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Condition: Stuck
- Location: Cockpit
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS97825334

## Discrepancy

INSPECTION TYPE-N/A, ON PREFLIGHT MOVING EMERGENCY LIGHTS ARM SWITCH TO ARM POSITION, WOULD NOT EXTINGUISH LIGHTS.  DISARM LIGHT EMERGENCY LIGHT OPERATION WAS NORMAL.  HOWEVER, WITH SWITCH IN ARMED POSITION.  FOUND EMERGENCY LIGHT SWITCH STUCK IN TEST POSTION.  RELAMPED BULB, OPS CHECK NORMAL.

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