What was found
AIRCRAFT RETURNED TO DEPARTURE DUE TO ECAM ENG BLEED 1/2 ABNORMAL PRESSURE, PACK 1/2 FAULT FAILURE OCCURS WITH FULL CLIMB POWER ONLY IAW TSM 36-11-00-810-879A. R & R NR 2 ENG BLEED PRESSURE, REG VALVE CONTROL SOLENOID, 10HA2, CHECKED NORMAL. ALSO PERFORMED OPS TEST OF ENG 2 BLEED AIR SYSTEM AT HIGH/LOW PWR IAW AMM 36-11-00-710-003A.