What was found
ON LANDING ROLLOUT, THRUST REVERSER ACCUMULATOR LOW LIGHT CAME ON AROUND 100KTS. STOWED REVERSERS BY 60KTS, AND EXITED THE RUNWAY ON THE HIGH SPEED. WHEN EXITING THE HIGH SPEED ONTO THE REGULAR TAXI-WAY, LOST COMPLETE HYD PRESSURE FOR 45 SECONDS. ADVISED GROUND CONTROL, COMMUNICATION WITH GROUND, ALL HYD PRESSURE CAME BACK. SERVICED LT AND RT HYD RESERVOIRS IAW MM 12-12-01. PERFORMED INSPECTION/CHECK OF LT AND RT HYD SYSTEMS IAW MM 29-00-01. OPS AND LEAK CHECKED NORMAL.