What was found
(CAN) THE AIRCRAFT WAS WORKED ON FOR HOT ENVIRONMENTAL ODOR. THE ENVIRONMENTAL SYSTEM WAS CHECKED OVER AND THE DUCT WORK WAS CHECKED WITH A BORESCOPE. PILOTS REPORTED THE ODOR WAS BACK WITH SMOKE WHEN THE POWERED UPTHE ENGINES.THE ENGINE COWLS WERE REMOVED AND OIL WAS FOUND IN THE BLEED AIRVALVE OF THE RIGHT ENGINE.THE ENGINE BREATHER LINE WAS FOUND KINKED AND BADLY RESTRICTED CAUSING NR 1 BEARING CAVITY TO FLOOD. THE LINE WAS REPLACED COMPRESSOR WASH CARRIED OUT, ENGINE GROUND RUNS AND TEST FLIGHT WAS SATISFACTORY.