What was found
RETURNED TO BLOCK DUE TO LEFT PACK TEMPERATURE EICAS, LEFT PACK INOPERATIVE AND SMOKE IN THE COCKPIT. AIRCRAFT GROUNDED FOR INSPECTION AND MAINTENANCE. ACCOMPLISHED PHASE 1 CONDITIONAL INSPECTION IN ACCORDANCE WITH B767 AMM 05-51-00 AND B767 AMM 21-00-21-102-030 NO DEFECTS NOTED. CREW RAN LEFT AND RIGHT ENGINES AND RIGHT PACK AS PART OF CONDITIONAL INSPECTION. NO SMOKE OR SMELL IN CABIN. AIRCRAFT RELEASED FOR SERVICE.