What was found
(CAN) CUSTOMER REPORTED OIL CONSUMPTION ON A BRAND NEW POWER SECTION ACQUIRED. OIL LEVEL CONTINUOUSLY DROPPING -ESTIMATE .5 TO .7500 LITERS OVER 8 HOURS OF OPERATION. NO EXTERNAL OIL LEAKS. NO LEAKS IN DRAINS. BREATHER LINE VERIFIED, DRY AND NO RESTRICTION - BURNING MORE OIL IN COLDER TEMPERATURE, TAIL BOOM CLEAN, CONSUMPTION IS IRREGULAR. FUEL HEATER CHANGE. RAN ENGINE 3 MINUTES AND OIL LEVEL DECREASED. EJECTOR PUMP VISUALY INSPECTED AND TRACES OF CARBON NOTED. EXHAUST DUCT AND STACK FOUND WITH CARBON DEPOSIT. PT DISK REPORTED CLEAN.