What was found
ATB - ETOPS SIGNIFICANT SYSTEM - AIR ENGINE 1 BLEED FAULT. AIR ENGINE 2 BLEED FAULT FOLLOWED ECAMS. RETURN TO LAND. INSPECTED #1 ENGINE DUCTING FOR PNEUMATIC LINES BAD, INSPECTION CHECKED GOOD. PERFORMED HIGH POWER RUN, DURING RUN FOUND #2 ENGINE PRV BAD,#1 ENGINE CHECKED GOOD. REMOVED #2 ENGINE PRESSURE REGULATOR PER AMM 36-11-52. OPS, LEAK CHECK GOOD, ALL SYSTEMS CHECKED NORMAL. OK FOR SERVICE.