# SDR FDEA201507182261

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2015
- Submitted: July 23, 2015
- Operation: Air carrier
- Aircraft: [N596FE](https://openairdocs.org/aircraft/N596FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48554
- Aircraft time: 770 hours, 15,139 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: TX
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201507182261

## Discrepancy

DURING POWER SHIFT, AFTER STARTING NR 3 ENG, FROM APU POWER TO GEN 3 POWER, EMER LIGHTS DISARM ALERT CAME ON.  RESETTING EMER POWER TO EITHER OFF OR ON HAS NO AFFECT.  THE ALERT STAYS ON..  MX RESET THE CB, NO AFFECT.  T/S PER FIM 33-51-01-00, DEU SELECTION CHECK OK.  PERFORMED EMERGENCY LIGHT SYSTEM FUNCTIONAL TEST SATISFACTORY PER AMM 33-50-00-5.  RAN ALL 3 ENG WITH EMERGENCY LIGHT SWITCH ARMED, NO ALERT SHOWN. MEL CLEARED.

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