What was found
AFTER LEAVING THE GATE, CREW REPORTED, RECEIVED A POWERPLANT MESSAGE. RETURNED TO GATE ACCORDINGLY. MAINTENANCE FOUND FAULT CODES ENG NR 1 968A, 970A, 970B / ENGINE NR 2 968A, 968B, 130B, 134B. MAINTENANCE CLEARED FAULT CODES AND PERFORMED RUNS WITH CREW. OPS CHECK GOOD.