As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG EEC C1 R RT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYS IS OPERATING WITH REDUCED REDUNDANCY. T3 THERMOCOUPLE SIGNAL IS STILL FAULTING AFTER T3 TC WAS REPLACED ON 14SEP, NO HELP. REPLACED HARNESS. ALSO REPLACED T3 SENSOR AS PRECAUTION.