As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 2126 ON PUSHBACK, PRIMARY INVERTER, SECONDARY INVERTER, AUXILIARY INVERTER CAUTION LIGHTS ILLUMINATED. FOUND INVERTER WARNING CONTROL CIRCUIT BREAKER OUT. RESET INVERTER WARNING CONTROL CIRCUIT BREAKER. CAUTION LIGHTS RE-SET. CIRCUIT BREAKERS REMAINED CLOSED. NO PARTS REPLACED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.