# SDR CHQA201000031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2010
- Submitted: February 10, 2010
- Operation: Air carrier
- Aircraft: N269SK
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145293
- Aircraft time: 23,448 hours, 21,987 cycles
- Engine: Allsn AE3007A
- Engine time: 20,578 hours, 17,502 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: RPS1B
- Part serial: 20514
- Condition: Inoperative
- Location: Cabin
- Part time: 10,101 hours, 9,719 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/CHQA201000031

## Discrepancy

DURING INSPECTION THE NR 4 EMERGENCY LIGHT BATTERY PACK WAS FOUND TO BE INOP.  MAINTENANCE REPLACED THE NR 4 BATTERY PACK, BUT AFTER INSTALLATION OF THE NEW BATTERY PACK, THE OVERWING EMERGENCY LIGHTS WERE STILL INOP.  THE BATTERY WAS REPLACED AGAIN WITH NO FURTHER DEFECTS NOTED.

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