What was found
ON TAKE OFF THE FUEL FILTER BYPASS R-CAS MESSAGE CAME ON, ABORTED TAKE OFF. RESET ELECTRICAL BYPASS INDICATOR IAW ALLISON/ROLLS MM TASK 73-3000-990-801, REMOVED AND REPLACED RIGHT ENGINE FUEL FILTER IAW ALLISON/ROLLS MM CHAPTER 73-21-10 RUN UP LEAK CHECK GOOD, FULL POWER CHECK GOOD.