# SDR DXTA2026052608165

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2026
- Submitted: May 26, 2026
- Operation: Air carrier
- Aircraft: [N482QS](https://openairdocs.org/aircraft/N482QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500817
- Aircraft time: 1,863 hours, 1,503 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 006339
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026052608165

## Discrepancy

CLIMBING THROUGH 30,000 FEET WE OBSERVED THAT THE EMER LIGHTS WERE ON IN THE ARMED POSITION. WE ATTEMPTED CLIMBING THE SWITCH FROM OFF BACK TO ARM, THEN TO THE ON POSITION BACK TO OFF. -IN THE OFF POSITION THE EMER LIGHTS WERE OFF.  -ARM POSITION LIGHTS WERE ON. -ON POSITION THE LIGHTS WERE ON.   REMOVED AND REPLACED AFT AND FORWARD EMER BATTERIES IAW AMM 33-52-01-400-801A AND PERFORMED SUCCESSFUL OPS CHECKS. RESTORED AIRCRAFT TO ORIGINAL CONFIGURATION.

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