What was found
APPROVED AIRCRAFT ACCESSORIES INC., CRS US2R225L OVERHAULED HYDRAULIC PUMP. WHEN INSTALLED, PUMP WOULD NOT PICK UP PRESSURE. BLED PUMP WITH NO RESULTS. WHEN THE PUMP WAS REMOVED, NOTED THE SNAP-RING IN THE BASE OF THE PUMP HAD COME OUT. THE INSIDE OF THE PUMP HAD SHIFTED TOWARD THE SHAFT CAUSING PUMP FAILURE.