As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
# 2 ENG FAULT CODE 75-20462, THE HPTACC DEMAND AND POSITION SIGNALS DISAGREE. ECO FAULT. # 2 ENG FAULT CODE 75-30412. THE HPTACC POSITION SIGNALS DISAGREE. ECO FAULT. # 2 ENG FAULT CODE 75-10362. THE HPTACC POSITON SIGNAL IS OUT OF RANGE. ECO FAULT. PERFORMED FIM TASK 75-21 TASK 803 HPTACC POSITION SIGNALS DISAGREE. REQUIRED HPTACC VALVE TO BE REPLACED. GROUNDED - YES. ON DEFERRAL.