As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CONDUCTING AN ILS-1, STRONG ELECTRICAL FUMES (NO SMOKE) FILLED THE FUSELAGE. DETERMINED FUMES WERE EMANATING FROM FLIGHT INSPECTION PANEL. RAN SMOKE AND FUME ELIMINATION CHECKLIST AND EXECUTED IMMEDIATE LANDING. MAINTENANCE VHF COMM NR 3 WAS BURNED OUT.