What was found
(CAN) DURING TAKE OFF ROLL, RT ENG OIL FILTER CLOG LIGHT ILLUMINATED. TAKE OFF WAS REJECTED. ENGINE RUN UP CONDUCTED WITH NO LIGHT REILLUMINATED. AIRCRAFT TOOK OFF AND THEN FLOWN TO THE SCHEDULED STATION ( MAIN BASE ) WITHOUT LIGHT REILLUMINATING. AT THE MAIN BASE, THE OIL FILTER WAS REMOVED AND FOUND WITH CARBON DEPOSIT. NEW OIL FILTER INSTALLED. THE ENGINE HAS BEEN SCHEDULED TO BE REPLACED AS PRECAUTIONARY BECAUSE THIS PROBLEM IS RECURRENT.