# SDR 03126428

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2003
- Submitted: May 7, 2003
- Operation: Air carrier
- Aircraft: [N428FJ](https://openairdocs.org/aircraft/N428FJ), registered now
- Make and model: Dorner DO328300
- Aircraft serial: 3193
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: Inoperative
- Location: Emergency 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/03126428

## Discrepancy

DURING MAINTENANCE INSPECTION, THE EMERGENCY FLOOR TRACK LIGHTING WAS FOUND TO BE INOPERATIVE.  MAINTENANCE PERSONNEL REMOVED AND REPLACED EMERGENCY BATTERIES 4LK, 5LK, 6LK AND 7LK.  AN OPERATIONAL CHECK WAS SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.

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