As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT ENGINE PRI CONT STATUS MSG. AUTO THRT DISCONNECTED SEVERAL TIMES AS REPR BLANKED. READ EPCS MESSAGES AND FOLLOW FIM 73-21-00 FIG 114. COPY FAXED TO OPS. EPCS MSGS ARE P PDIU EEC, S PDIU EEC AND S 274-18.CHECKED ENG NR 2 CLEARED MSGS, REPLACED PMA. REPLACED PDIU. RAN ENGINE IAW JRH. RAN ENGINE UP TO 80 PERCENT, N2 NO FAULTS WERE NOTED, NO MSG'S.