# SDR C2XA02CL149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2002
- Submitted: July 15, 2002
- Operation: Air carrier
- Aircraft: [N11535](https://openairdocs.org/aircraft/N11535), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145518
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 110049
- Part serial: 18001
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA02CL149

## Discrepancy

DURING ROUTINE MAINTENANCE THE LEFT AND RIGHT UPPER EMERGENCY LIGHTS WERE FOUND TO BE INOPERATIVE.MAINTENANCE REPLACED THE #4 BATTERY POWER SUPPLY.OPERATIONAL CHECKS WERE GOOD.THE AIRCRAFT WAS RELEASED FOR SERVICE.

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