As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RDM FLIGHT NR 2329: AFTER ENGINE START ON TAXI OUT, AVIONICS CAUTION LIGHT ILLUMINATED WITH NO ASSOCIATED ED MESSAGE. MAINTENANCE RETURNED AIRCRAFT TO GATE. POWERED AIRCRAFT DOWN. UPON POWER UP OF AIRCRAFT AND REINITIALIZATION OF ALL SYSTEMS, NO FURTHER FAULTS POSTED. NO PARTS REPLACED AND AIRCRAFT RETURNED TO SERVICE.