What was found
ON TAKEOFF ROLL, CYMX, RWY27, ECAM MEMO PAGE DISPLAYED WARNING THAT NR 1 REVERSER SYSTEM WAS PRESSURIZED. ACN RELEASED FOR SERVICE PER MEL/CDL: 78-30-01-A ENGINE NR 1 THRUST REVERSER INOP, THRUST (1 OR 2). REVERSER DEACTIVATED IN FORWARD THRUST POSITION. NR 1 THRUST REVERSER OPS CHECK GOOD PER A300 AMM 78-31-00-5. RETURNED NR 1 THRUST REVERSER TO OPERATIONAL STATUS.