# SDR DXTA2024070112211

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 2024
- Submitted: July 1, 2024
- Operation: Air carrier
- Aircraft: [N522QS](https://openairdocs.org/aircraft/N522QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0060
- Aircraft time: 7,233 hours, 4,775 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: CBS281
- Part serial: 5261M
- Condition: Failed
- Location: Emergency Lights
- 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/DXTA2024070112211

## Discrepancy

MAIN EXIT SIGN/LIGHT: MAIN EXIT LIGHT SIGN WONT ILLUMINATE .   REMOVED THE #1 EMERGENCY POWER SUPPLY BATTERY  PN: CBS28-1, SN: 5261M DUE TO INTERNAL FAILURE. INSTALLED REPAIRED UNIT PN CBS28-1 SN 008979 IAW CE680A AMM 33-50-06. POWERED UP AIRCRAFT AND CHARGED PACK AS REQUIRED. OPS CHECKS GOOD. CLOSED UP ACCESS AND SECURED AIRCRAFT.

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