# SDR DXTA2026063008606

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 2026
- Submitted: June 30, 2026
- Operation: Air carrier
- Aircraft: [N376QS](https://openairdocs.org/aircraft/N376QS), registered now
- Make and model: Cessna 680SOV
- Aircraft serial: 6800180
- Aircraft time: 16,297 hours, 10,899 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: CBS281
- Part serial: 1801M006201
- Condition: Unserviceable
- 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/DXTA2026063008606

## Discrepancy

UPON TESTING THE EMERGENCY LIGHTS BEFORE STARTING THE APU THE LIGHTS WOULD NOT ILLUMINATE IN BOTH THE ARM AND ON POSITIONS.  REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACKS, PERFORMED E-LIGHT SYSTEM OPERATIONAL CHECK. OPS CHECK GOOD AT THIS TIME. REF, AMM 33-50-00 AND 33-50-10. NR 1 EMERGENCY LIGHT BATTERY PACK. NR 2 EMERGENCY LIGHT BATTERY PACK NR 3 EMERGENCY LIGHT BATTERY PACK , NR 4 EMERGENCY LIGHT BATTERY PACK

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
