What was found
BURNING RUBBER SMELL BELIEVED TO BE ASSOCIATED WITH RUNWAY TURN OFF LIGHT ACTIVATION, PER AMM 05-51-56. PERFORM SMOKE & FUMES IN CABIN CONDITION INSPECTION SATISFACTORY, PER MEL 33-42-03. RELEASE A/C CAT C, NOTIFIED MCC, MDDR NR 139747, T/I 20:18 YC. PLACARD INSTALLED. LT RUNWAY TURNOFF LT SW BURNING SMELL. REMOVED AND REPLACED LT RUNWAY TURN-OFF LIGHT, IAW SSM 33-42-02. OPERATIONS CHECK REFERENCE IS AMM 33-42-03/201. OPERATIONS CHECKS GOOD.