# SDR UPS99830871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N705UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 45949
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- 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/UPS99830871

## Discrepancy

INSPECTION TYPE:N/A, EMERGENCY LIGHTS DISARM CHECK FAILED.  REPLACED DEAD BATTERY AND RELAY ASSY IAW MM 35-50-01, REPAIRED OPEN IN WIRE HVL9812R22 IN CHARGING CIRCUIT.  REPAIRES OPEN AT SWITCH S1-3 27 A1 WIRE L9608A24.  SYSTEM OPS NORMAL REF WDM 33-50-01.

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