# SDR DXTA2020101304204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2020
- Submitted: October 15, 2020
- Operation: Air carrier
- Aircraft: [N428QS](https://openairdocs.org/aircraft/N428QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500485
- Aircraft time: 1,220 hours, 953 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2020101304204

## Discrepancy

WITH EMERGENCY LIGHT SWITCH IN ARM POSITION, EMERGENCY LIGHTS ARE ILLUMINATED.  CORRECTIVE ACTION: REMOVED FAILED FORWARD BATTERY PACK P/N 6450LS-00 S/N 002058 AND REPLACED WITH A MODIFIED BATTERY PACK P/N 6450LS-00 S/N 000869.  REMOVED FAILED AFT BATTERY PACK P/N 6450LS-00 S/N 00846 AND REPLACED WITH A MODIFIED BATTERY PACK P/N 6450LS-00 S/N 000668.  OPERATIONS CHECKED EMERGENCY EXIT LIGHTS NORMAL.  ALL REF EMB 505 AMM 33-52-01.

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