As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED STRONG ELECTRICAL BURNING SMELL IN COCKPIT AND MADE EMERGENCY LANDING. FOUND PILOT HSI DISPLAY MODEL ED551A, SN U3714 TO HAVE A STRONG ODOR OF BURNED ELECTRONICS. UNIT STILL POWERED UP AND DISPLAYED CORRECTLY. REMOVED UNIT AND SENT TO MFG FOR ANALYSIS/ REPAIR. (K)