As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PERFORMED TC 78273000 AND FOUND MESSAGE 75-20802. T25 SIGNALS DISAGREE. ACFT GROUNDED. IAW FIM 75-33 / 805, AND 75-33 / 801. EEC BITE SHOWS RECENT FAULTS 75-20802, T25 SIGNALS DISAGREE. EEC GROUND TEST SHOWS NO FAULTS. DUE TO HISTORY, IAW AMM 73-21-60/401 REPLACED THE NR 2 ENGINE EEC. OPS TESTED NORMAL.