# SDR CHQA200900048

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2009
- Submitted: February 10, 2009
- Operation: Air carrier
- Aircraft: N259SK
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145763
- Aircraft time: 13,942 hours, 11,946 cycles
- Engine: Allsn AE3007A
- Engine time: 17,129 hours, 15,288 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: RPS1B
- Part serial: 21653
- Condition: Discharged
- Location: Cabin
- Part time: 3,489 hours, 2,890 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/CHQA200900048

## Discrepancy

DURING INSPECTION THE EXTERIOR AFT EMERGENCY LIGHTS WERE FOUND TO BE INOP WHEN TESTED.  THE NR 4 EMERGENCY BATTERY POWER SUPPLY WAS REPLACED AND THE EMERGENCY LIGHTS OPERATED NORMALLY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.