# SDR UPS99830858

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N867UP](https://openairdocs.org/aircraft/N867UP), 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: 45967
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 5708458503
- Condition: Discharged
- Location: Cabin
- 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/UPS99830858

## Discrepancy

COCKPIT EMERGENCY LIGHTS FAILED TO TEST.  REMOVED AND REPLACED BATTERY PACK ASSY.  EMERGENCY LIGHT OPS CHECK NORMAL PER MM 33-50-00.

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