As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURN TO THE FIELD FOR CYCLING BLEED AND FUEL PUMP. LT ENG SPEED CARD & LT ENG ANALOG N2 STATUS MSG DISPLAYED. REPLACED SPEED CARD, CLEARED MSG, RAN ENGINE NO HELP. EXAMINED CIRCUIT FROM EEC ALT. CON. TO EICAS COMPUTERS AND STBY INDICATOR FOR CONTINUITY AND SHORTS, ALL CHKD NORMAL REPLACED EEC ALT, ACP ENGINE RUN, AND FINALLY OPS CHECKED NORMAL.