What was found
AIR PACK 1 REGULATOR FAULT, RESET AND OPS CHECKED IAW AMM 21-51-00-71-00-02A. OPS CHECKED NORMAL. FAULT HIT ON THE NEXT LEG, AIR PACK 1 REGULATOR FAULT, COMPRESSOR TEMP SENSOR 12HH WAS REPLACED IAW AMM 21-61-11. OPS CHECKED GOOD, THE ACFT WAS REMOVED FROM ETOPS SERVICE FOR CONDITION MONITORING IAW CAMP 12 PROCEDURES.