What was found
LEFT PACK DEFERRED, THE RT PACK INLET TEMP CLIMBED TO 110 DEGREES C, WITH ASSOCIATED ECAM ADVISORY. FLOW INDICATOR WAS ALSO EXTREMELY UNSTABLE, OSCILLATING FROM STOP TO STOP. RETURNED TO DEPARTURE. R & R NR 1 & 2 PACK RAM TURBINE BYPASS VALVE ACTUATORS IAW AMM 21-61-13-04. OPS CHECKED GOOD.