What was found
EN ROUTE TO YVR, PILOT REPORTED A FAINT ODOR OF SOMETHING BURNING. HE TURNED ON COCKPIT LIGHT AND SAW A LIGHT HAZE OF SMOKE IN THE COCKIT. AT APPROX THE SAME TIME, CAPT STATED THE NR 1 INVERTED FAILED, HE SHUT THE SWITCH OFF AND TRIED NR 2 INVERTER, IT WAS ALSO INOP. THE EMERG INVERTER SELECTED AND FUNCTIONED NORMALLY. CAPT DECLARED AN EMERGENCY AND ELECTED TO LAND AT MFR. ACFT LANDED WITHOUT FURTHER PROBLEMS. MX TROUBLESHOT ACFT A/C ELECTRICAL SYSTEM. MECHANIC FOUND RADIO RACK COOLING FAN SEIZED AND THE NR 1 STATIC INVERTER INOP. MX REPLACED NR 1 INVERTER, DEFERRED RADIO COOLING FAN. ACFT RUN FOR A SYSTEMS CHECK, ALL SYSTEMS FUNCTION CHECKED GOOD. ACFT RETURNED TO SERVICE. (X)