# SDR C2XA05BT077

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2005
- Submitted: November 14, 2005
- Operation: Air carrier
- Aircraft: N15973
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145159
- Aircraft time: 15,246 hours, 11,147 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 20131A
- Part serial: 69118
- Condition: Faulty
- Location: Emergency Light
- Part time: 13,227 hours, 10,736 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA05BT077

## Discrepancy

BNA - CREW REPORTED, ON HEAD START, EXIT ROW OVERHEAD EMERGENCY LIGHTS WILL NOT ILLUMINATE.  MAINTENANCE REMOVED AND REPLACED NR 4 BATTERY POWER SUPPLY IAW EMB145 AMM NR 33-50-04, OPS CHECK GOOD.

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