What was found
DURING CRUISE FLIGHT, PILOT SMELLED A BURNING ELECTRICAL ODOR THAT WAS FOLLOWED BY A LOSS OF INTERCOM FUNCTION AND THE INTERCOM CIRCUIT BREAKER TRIPPED. ODOR DISSIPATED. MAINTENANCE PERSONNEL FOUND A FAULTY INTERCOM PANEL AND NO DAMAGE TO WIRING OR OTHER EQUIPMENT. SPA400 INTERCOM WAS REPLACED WITH A LIKE ITEM.