# SDR UPS01835795

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2001
- Submitted: May 4, 2001
- Operation: Air carrier
- Aircraft: [N802UP](https://openairdocs.org/aircraft/N802UP), registered now
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46100
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Part number: TL1156M
- Condition: Inoperative
- Location: Overhead Panel
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS01835795

## Discrepancy

INSPECTION TYPE: PREFLT,  FOUND DURING EMERGENCY LIGHT TEST. SWITCH INTERNALLY BAD DUE TO LIGHTS REMAIN ON WITH SWITCH ON OFF OR DISARMED POSITION. RESET TO S.W. MAKE LIGHT TO TURN OFF.  REMOVED AND REPLACED EMERGENCY LIGHT SWITCH AT OVERHEAD PANEL I/A/W WDM. 33-50-01 PAGE 4. AND PERFORMED TEST AS PER 30-50-01(MM). OPS CHECK NORMAL.

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