# SDR CHQA200900111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2009
- Submitted: April 20, 2009
- Operation: Air carrier
- Aircraft: N285SK
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145435
- Aircraft time: 20,377 hours, 16,561 cycles
- Engine: Allsn AE3007A
- Engine time: 16,114 hours, 13,950 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: RPS1B
- Part serial: 17824
- Condition: Inoperative
- Location: Emergency Light
- Part time: 14,943 hours, 12,457 cycles
- 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/CHQA200900111

## Discrepancy

DURING INSPECTION BOTH THE LEFT AND RIGHT OVERWING EMERGENCY LIGHTS WERE FOUND TO BE INOP.  THE NR 4 EMERGENCY BATTERY PACK WAS REPLACED AND THE EMERGENCY LIGHTS OPERATED NORMALLY.

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