# SDR DXTA2024121101428

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2024
- Submitted: December 11, 2024
- Operation: Air carrier
- Aircraft: [N463QS](https://openairdocs.org/aircraft/N463QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500748
- Aircraft time: 1,372 hours, 1,051 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 006696
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2024121101428

## Discrepancy

EMER LT NOT ARM YELLOW CAS: RECEIVED CAS MESSAGE, SWITCH IS IN THE ARM POSITION, EMER LIGHTS WERE ORIGINALLY CONSISTENTLY ON, THEN STARTED FLASHING.  CYCLED THE SWITCH WITH NO CHANGE.  REMOVED AND REPLACED THE #1 & #2 EMERGENCY BATTERIES IAW 33-52-01. OPS CHECKED GOOD.

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