# SDR DXTA2025110705605

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2025
- Submitted: November 7, 2025
- Operation: Air carrier
- Aircraft: [N539QS](https://openairdocs.org/aircraft/N539QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0082
- Aircraft time: 8,056 hours, 5,409 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 64300281
- Part serial: E2511125
- Condition: Failed
- 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/DXTA2025110705605

## Discrepancy

WITH THE EMERGENCY LIGHT SWITCH IN ARM OR ON, THE RT WING INSECTION LIGHT, THE LT AND RT  EXIT SIGNS AT THE BASE OF THE MAIN CABIN DOOR FAIL TO ILLUMINATE.  REPLACED BATTERY PACKS. OPS CHECK GOOD. IAW AMM 33-50-06.

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