# SDR UPS04M43084

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2004
- Submitted: September 10, 2004
- Operation: Air carrier
- Aircraft: [N252UP](https://openairdocs.org/aircraft/N252UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48578
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Circuit Breaker
- Condition: Tripped
- Location: Emergeny Light
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS04M43084

## Discrepancy

INSPECTION TYPE:N/A EMERGENCY LIGHTS ARE ON WHEN EMERGENCY LIGHT SWITCH IS IN THE ARM POSITION.  FOUND EMERGENCY LIGHTS CONTROL C/B POPPED.  RESET C/B AND PERFORMED OPERATIONAL TEST OF EMERGENCY LIGHT SYSTEM REF AMM 33-50-00, CHECKS GOOD AT THIS TIME.

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