As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG PARAMETERS FLUCTUATING IN CRUISE. DISCUSSED WITH ENG CONTROLLER REPLACE FCU AND FUEL PUMP. REMOVED FUEL CONTROL. STARTED TO REMOVE FUEL PUMP PER MM. FUEL PUMP JUST NEEDS ATTACH BOLTS LOOSENED TO BE REMOVED. REPLACED NR 1 ENGINE FUEL PUMP PER MM. CHANGED NR 1 ENGINE FUEL CONTROL PER MM.