As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLIGHT THE "AUTOFAIL" AND "ALTN" LIGHTS WERE ILLUMINATED. ABOVE FAULT DUE TO GROUND POWER INTERUPT CYCLED PRESS CONT C/B REF AMM 20 60 01 AUTOFAIL & ALTN LIGHTS WENT OUT. ACCOMPLISHED BITE OF THE DCPC`S REF FIM TASK 21 31 00 810 801 INTERMITTENT FAULT CLEARED OKAY FOR CONT USE.