As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSH BACK AND ENGINE START, ENGINE GERNERATORS ON, ELECTRIC ANNUNCIATOR LIGHT ON OVERHEAD PANEL REMAINED ILLUMINATED. ACFT GROUNDED. PERFORMED ELECTRICAL BITE PROCEDURE REF FIM 24-31 TASK 801 FOUND 3 FAULT CODES ALL WITH THE LETTER "I". MANUAL STATES THEY ARE INTERMITTENT FAULTS THAT NO LONGER EXIST. FAULTS CLEARED, OK FOR SERVICE.