# SDR 3J7R2023021700001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2023
- Submitted: February 17, 2023
- Operation: Air carrier
- Filed by: [DC Jet Services, repair station 3J7R729D](https://openairdocs.org/faa-repair-station/3J7R729D/dc-jet-services.md) (OpenAirDocs)
- Aircraft: N698QS
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605653
- Aircraft time: 14,344 hours, 965 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 99131
- Condition: Depleted
- Location: Zone 900
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3J7R2023021700001

## Discrepancy

REAR CABIN AND EXTERIOR EMERGENCY LIGHTS INOP WHEN MAIN BATTERY IS OFF.  LIGHTS WORK NORMALLY WHEN MAIN BATTERY IS ON.

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