# SDR DXTA2024070612273

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2024
- Submitted: July 6, 2024
- Operation: Air carrier
- Aircraft: [N456QS](https://openairdocs.org/aircraft/N456QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500698
- Aircraft time: 1,126 hours, 842 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 7450LS00
- Part serial: 005991
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2024070612273

## Discrepancy

WHEN EMER LIGHTS ARE SELECTED TO ARM, EMER LT NOT ARM CAS MESSAGE REMAINS ON AND ALL EMER LIGHTS ARE ON IN THE CABIN.  R & R THE EMER BATTERY IAW AMM 33-52-01.  PERFORMED SATISFACTORY OPS CHECKS IAW AMM 33-52-01.

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