What was found
ON ROTATION, NR 2 REVERSER UNLOCK AMBER LIGHT ILLUMINATED WITH ECAM AND THRUST REVERSER PRESSURIZED ON ECAM. COMPLIED WITH ECAM AND QRH THRUST REVERSER UNLOCKED. ENG REV UNLK PROCEDURE LIGHT AND ECAM REMAINED UNTIL SHUTDOWN. FOLLOWING MOCC MTSI, AND FIM 78-31-30, R & R THE NR 2 ENGINE REVERSER PRESSURE REGULATOR VALVE IAW MM 78-31-05-04. CW NR 2 REVERSER TEST IAW MM 78-31-00-02. UNABLE TO DUPLICATE FAULTS. RAN THE NR 2 ENG IAW JRH AT IDLE. ALL REVERSER SYSTEMS WORKING FINE. ALL CHECKED OK.