# SDR DXTA2026042407745

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2026
- Submitted: April 24, 2026
- Operation: Air carrier
- Aircraft: [N910QS](https://openairdocs.org/aircraft/N910QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0324
- Aircraft time: 3,833 hours, 2,504 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 64300281
- Part serial: K2516210
- 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/DXTA2026042407745

## Discrepancy

BATTERY PACK NR 1 SEEMS INOPERATIVE.  EMERGENCY LIGHTS WON'T TEST IN THE ARM POSITION AT ALL.  EMERGENCY LIGHTS ASSOCIATED WITH PACK #1 WILL NOT TEST IN THE ON POSITION.  THE EMERGENCY LIGHTS ASSOCIATED WITH THE OTHER BATTERY PACKS ILLUMINATE IN THE ON POSITION. CORRECTIVE ACTION: PERFORMED REPLACEMENT OF THE #1 EMER LIGHT BATTERY WITH A NEW UNIT. CHARGED BATTERY FOR 2 HOURS. PERFORMED OPS CHECK WITH NO DEFECTS NOTED. RESTORED ALL ACCESS GAINED. WORK PERFORMED I.A.W AMM TASK 33-50-00.

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