# SDR DXTA2025112605835

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2025
- Submitted: November 26, 2025
- Operation: Air carrier
- Aircraft: [N690QS](https://openairdocs.org/aircraft/N690QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0223
- Aircraft time: 6,655 hours, 4,402 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 64300281
- Part serial: E2511124
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2025112605835

## Discrepancy

AFT EMERGENCY LIGHTS WILL NOT EXTINGUISH. EVEN WITH MAIN SHIP BATTERIES PULLED, AND FIVE G RESET SWITCH PRESSED.  REMOVED AND REPLACED # 4 EMERGENCY LIGHT BATTERY PN: 6430028-1 SN: E25-11124 WITH NEW UNIT PN: 6430028-1 SN: J25-13986. PERFORMED SATISFACTORY OPS CHECK. WORK PERFORMED IAW CE-680A AMM 33-50-06.

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