# SDR UPS803016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N813UP
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46059
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Eel Battery Pack
- Condition: Discharged
- Location: Flight Deck
- Stage of operation: CR
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS803016

## Discrepancy

PILOT REPORTED, EMERGENCY LIGHTS CAME ON IN FLIGHT, ALL ELECTRICAL SYS GOOD.  COULD NOT TURN OFF LIGHTS WITH ARM /DISARM SWITCH.  REPLACED EMERGENCY BATTERY PACK ASSY.

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