# SDR IPXA09557895

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2009
- Submitted: November 6, 2009
- Operation: Air carrier
- Aircraft: [N439UP](https://openairdocs.org/aircraft/N439UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25470
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Control Panel
- Condition: Malfunctioned
- Location: Emergency Lights
- 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/IPXA09557895

## Discrepancy

AFTER SECURING AIRCRAFT FROM HOT STANDBY PREFLIGHT, SELECTED EMERGENCY LIGHTS SWITCH TO DEF, EMERGENCY LIGHT REMAINED ILLUMINATED.  REMOVED AND REPLACED EMERGENCY LIGHTS CONTROL PANEL.  GROUND CHECK'S NORMAL IAW MM 33-51- 00-5.  OK FOR SERVICE.

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