What was found
AIRCRAFT WAS GROUNDED: PILOT DIVERTED TO LHR ON ACCOUNT OF DUAL BLEED FAILURE, RESET ATTEMPTS FAILED FOR ENGINE 2, SUCESSFUL FOR ENGINE 1. EMERGENCY DECLARED. MAINTENANCE REMOVED AND REPLACED ENGINE 1 FAN AIR VALVE IAW AMM 36-11-54-400-804-A. OPS CHECK GOOD. IN ADDITION, FAN AIR VALVE CONTROL THERMOSTAT REPLACED IAW AMM TASK 36-11-43-400-804-A. MAINTENANCE REPLACED ENGINE #2 PRSOV IAW AMM TASK 36-11-52-400-804-A. OPS CHECKED SATISFACTORY, LEAK TEST OF THE BLEED VALVE WITH ENGINE IN OPERATION C/O IAW AMM 36-11-52-790-807-A. ECAM MSG CLEARED @ ENG #2 BLEED OPS CHECKED NORMAL. (SEE SDR # AALA201907059027)