# SDR A6WA2017100945345

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2017
- Submitted: October 20, 2017
- Operation: Air carrier
- Aircraft: [N471ZW](https://openairdocs.org/aircraft/N471ZW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7457
- Aircraft time: 13,350 hours, 12,831 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Control Panel
- Condition: Arced
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA2017100945345

## Discrepancy

SPARKS COMING FROM THE APU START & STOP PANEL ON OVERHEAD.  REMOVED ALL POWER FROM AIRCRAFT, NO ARCING AT THIS TIME. NO FUMES OR ODORS NOTED. APU WAS RUNNING AND APU GENERATOR WAS ON.   R & R THE APU POWER & FUEL AND START/STOP SWITCHES IAW ESPM 24-00.  OPS CHECKED GOOD.  INSPECTED PANEL, NO EVIDENCE OF DAMAGE NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.