# SDR VNAA0302003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2003
- Submitted: February 18, 2003
- Operation: Air carrier
- Aircraft: [N437JS](https://openairdocs.org/aircraft/N437JS), registered now
- Make and model: Dorner DO328100
- Aircraft serial: 3055
- Aircraft time: 19,403 hours, 16,974 cycles
- Engine: Pwa PW119B
- Propeller: Hartzl HDE6C3B
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321430
- Part serial: 10810
- Condition: Failed
- Location: Emergency Light
- Part time: 15,609 hours, 13,834 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA0302003

## Discrepancy

THE CREW REPORTED THAT THE FIRST ROW OF EMERGENCY LIGHTING WAS NOT ILLUMINATING.  MAINTENANCE INSPECTED AND REPLACED THE 4LK EMERGENCY BATTERY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-00-00.  OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

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