As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LEVEL OFF AT FL 364 THE LEFT ENGINE SPOOLED BACK ON ITS OWN FOLLOWED BY NUMEROUS EEC AND ENGINE OUT MESSAGES. T/S PER FIM INSPECTION FUEL SAMPLES PLUS NR 1 ENG FUEL FILTER FOR CONTAMINATION. FILTER PLUS FUEL SAMPLE FOUND CLEAN C/W ENG FU SUCTION FEED OPS TEST PER M/M. NR 1 ENG OPS NORMAL. REMOVED PLUS INSPECTION L FWD PLUS AFT BOOST PUMPS. CHKS NORMAL. INST BOOST PUMPS PER M/M. REPLACED N1 ENG FUEL PUMP PLUS FMU PER M/M.