# SDR NWAA081899885

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2008
- Submitted: May 2, 2008
- Operation: Air carrier
- Aircraft: [N401EA](https://openairdocs.org/aircraft/N401EA), registered now
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47682
- Aircraft time: 68,584 hours, 63,688 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NWAA081899885

## Discrepancy

DURING LINE CHECK THE EMERGENCY OVERWING EXIT SIGNS AT ROW 19, 20, 21 AND 22 WERE FOUND TO BE INOPERATIVE.  MAINTENANCE REPLACED THE ASSOCIATED FUSE AND BATTERY, NEITHER CORRECTED THE PROBLEM.  THE POWER SUPPLY WAS CHANGED AND THE SYSTEM CHECKS NORMAL.

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