What was found
((ZB0R)) PILOT REPORTED BURNING SMELL AND FAILURE OF AVIONICS BUSS NR 2 ON RUN-UP. ACFT REPORTED TO MX. TROUBLESHOOTING REVEALED AVIONICS MASTER SWITCH RT SIDE (BUSS 2) ARCING INTERNALLY. REPLACED AVIONICS SWITCH AND OPS CK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
((ZB0R)) PILOT REPORTED BURNING SMELL AND FAILURE OF AVIONICS BUSS NR 2 ON RUN-UP. ACFT REPORTED TO MX. TROUBLESHOOTING REVEALED AVIONICS MASTER SWITCH RT SIDE (BUSS 2) ARCING INTERNALLY. REPLACED AVIONICS SWITCH AND OPS CK OK.