# SDR DXTA2026010206369

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2025
- Submitted: January 2, 2026
- Operation: Air carrier
- Aircraft: [N483QS](https://openairdocs.org/aircraft/N483QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500830
- Aircraft time: 1,164 hours, 972 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 7450LS00
- Part serial: 007279
- Condition: Faulted
- Location: Zone 200
- Stage of operation: NR
- 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/DXTA2026010206369

## Discrepancy

CABIN EMER LIGHTS ILLUMINATED IN FLIGHT WITH THE EMER LT SWITCH IN THE ARM POSITION.  PERFORMED ENERGENCY LIGHTING OPS CHECK CONFIRMED DISCREPANCY, EMERGENCY LIGHTS STAY ON WITH SWITCH IN ARM,  COMPLIED WITH FIM, FOUND NR 2 BATTERY PACK AT FAULT, . R & R FWD EMERGENCY BATTERY.  R & R AFT EMERGENCY BATTERY  IAW AMM 33-52-01. OPS CHKD SATISFACTORY.

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