# SDR DXTA2026012906704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2026
- Submitted: January 29, 2026
- Operation: Air carrier
- Aircraft: [N874QS](https://openairdocs.org/aircraft/N874QS), registered now
- Make and model: Textrn TEXTRON700
- Aircraft serial: 7000131
- Aircraft time: 1,425 hours, 854 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: CBS281
- Part serial: 009792
- 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/DXTA2026012906704

## Discrepancy

THE EMERGENCY LIGHTS  DO NOT FUNCTION WITH THE SWITCH IN THE ON POSITION AND NO OTHER ELECTRICAL POWER ON THE AIRCRAFT.  THE EMER LIGHTS DO OPERATE NORMALLY WITH MAIN DC POWER IN BOTH THE ARM OR ON POSITION.  REPLACED BATTERIES. OPS CHECKED GOOD. IAW AMM 33-50-07

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