As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, CREW NOTED COCKPIT LIGHTS FLICKERING FOLLOWED BY AN ELECTRICAL BURNING SMELL. ACFT DIVERTED TO ANOTHER AIRPORT AND LANDED SAFELY. MX FOUND THE ALTITUDE AWARENESS PANEL AND ITS ASSOCIATED LIGHTING POWER SUPPLY FAILED. BOTH UNITS WERE REPLACED.