RETURN FOR LEAK SEARCH. Checked for leak in evaporative coil. Checked for leak in exposed line set. Checked for leak in condenser coil. Found no leaks visible at this time. Informed customer that leak may come back or other leaks may form even though nothing was visible today. Previous customer had the same coil and there were 3 leaks in that coil. Customer understands. Customer is also on maintenance program. Unit operational upon departure.