As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED LEFT ENGINE NO RESPONSE, 2 KNOB THROTTLE SPLIT, EGT IN AMBER AND N1 & N2 FLUCTUATIONS. FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED PT7 FLEX LINE GOING INTO PYLON THAT WAS LEAKING. SYSTEM GROUND CHECK NORMAL OPERATION.