# SDR DXTA2026090309539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2026
- Submitted: September 3, 2026
- Operation: Air carrier
- Aircraft: [N326QS](https://openairdocs.org/aircraft/N326QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500385
- Aircraft time: 10,248 hours, 8,046 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Faulted
- Location: Zone 200
- 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/DXTA2026090309539

## Discrepancy

AFTER MY PARTNER PERFORMED THE POWER ON CHECKLIST I SAW THAT THE EMER LIGHTS WERE ON AND THE SWITCH WAS IN THE OFF POSITION.  CYCLED THE SWITCH A FEW TIMES AND THE LIGHTS DID TURN OFF. ONCE WE WERE ABOUT TO START THE AIRCRAFT, WE DID OUR BEFORE START FLOWS AND WE MY PARTNER ARMED THE EMER LIGHTS, THEY AGAIN TURNED ON IN THE ARMED POSITION. I CYCLED THE SWITCH AGAIN AND THEN THEY TURNED BACK OFF. ARMED THE EMER LIGHTS AND LIGHTS SEEM TO FUNCTION NORMAL.  PERFORMED EMERGENCY BATERY OPERATIONAL TEST. CHARGED BATTERIES FOR 30 MINUTES, DISCHARGED UNIT THE LIGHTS FLASHED (DISCHARGE TOOK APPROXIMATELY 90 MINS). RECHARGED FOR 90MINS.OPERATIONAL TEST GOOD. IAW AMM 33-52-01

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