What was found
FLT 1488, NOTICIED NR 1 VOR RED ON MFD, STARTED SMELLING A FAINT BURNING ODOR, THE CIRCUIT BREAKER TRIPPED MESSAGE APPEARED AND CIRCUIT BREAKER G13 TRIPPED. SMOKE ODOR WENT AWAY, FOLLOWED TSM 34-55-00 AND CONFIRMED THE NR 1 VOR RECEIVER FAULTY. REMOVED AND REPLACED THE NR 1 VOR RECEIVER IAW AMM 34-55-31. OPS CHECKED GOOD. PERFORMED CABIN ODOR INSPECTION IAW 05-50-00-810-831 & CONFIRMED NR 1 VOR RECEIVER FAULTY, AIRCRAFT OK FOR SERVICE.