As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE SHOWS SHORT TIME FAULT. MESSAGE 75-30801 T25 SIGNALS DISAGREE. #1 ENGINE SHOWS LONG TIME FAULT. RECORDED MESSAGE 75-10821 THE T25 SIGNAL IS OUT OF RANGE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE EEC, IAW AMM 73-21-60.