As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSPECTION, OWNER COMMENTED ABOUT DIM OR FLICKERING LIGHTS AND INTERMITTENT INSTRUMENT FAILURE. DURING TROUBLESHOOTING PROCESS, A VOLTAGE DROP WAS FOUND ACROSS CONNECTION OF BATTERY CONTACTOR (24V IN AND 10 TO 12 OUT). CONTACTOR REMOVED AND CUT OPEN - REVEALED BURNED/WORN CONTACTS INSIDE CONTACTOR BODY. SUGGEST CHECK FOR VOLTAGE DROP ACROSS ALL CONTACTORS WITH THIS PART NUMBER.