What was found
ECAM DISPLAYED NR 2 ENG REVERSER PRESSURIZED ON TAKEOFF ROLL. WARNING WENT AWAY WHEN POWER WAS RETARDED. RTO LESS THAN 80KTS. MEL 09DEC07 15:05. ACN RELEASED FOR SERVICE PER MEL/CDL: 78-30-01-A. THRUST REVERSER INOP. THRUST REVERSER IS DEACTIVATED IN FORWARD THRUST POSITION." REMOVED AND REPLACED NR 2 ENG. PRSOV VALVE IAW MM 78-31-05. PERFORMED THRUST REV. SYS. CHECK IAW JRH 7-17. PERFORMED POWER ASSURANCE RUN IAW JRH 7-10. NO ECAM WARNINGS WERE NOTED DURING POWER ASSURANCE RUNS.