As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT GEN FIELD OFF LIGHT WON'T RESET. SWAPPED GOOD GEN CONT UNIT, RAN ENG GEN FIELD LIGHT CAME ON AFTER ENG SHUT DOWN. BITE CHK BPCU FAULT MSG. SHORTED PMG, GEN-FIELD, AND WIRING-GEN. FOUND GENERATOR CONTROL UNIT WAS TRIPPED INTERMITTENTLY.