As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT CREW REPORTED DUAL HSI FAILURE WITH BOTH SIDES OFF BY 30 DEGREES. CREW RETURNED TO THE FIELD. AFTER LANDING CREW REPORTED A BURNING ODOR. MAINT OPERATED THE AVIONICS SYSTEMS BUT WAS UNABLE TO DUPLICATE THE DISCREPANCIES.