What was found
CREW REPORTED AN ENG NR 1 EPR MODE FAULT & A/T INOPERATIVE. FLIGHT RETURNED TO FIELD AT PHX & LANDED WITHOUT INCIDENT. ON ENG NR 1, THEY FOUND FLEX LINE AT INLET TORQUED BUT LINE 707667-1 WAS NOT SECURED. INSTALLED NEW LINE IAW MM 77-22-48, PB401. RAN ENG, EPR OPERATIONS NORMAL.