As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING TASK CARD 78273000, THE NR 1 ENGINE EEC FAULT 75-10831, LONG TIME FAULT. THE T3 SIGNAL IS OUT OF RANGE. ACFT GROUNDED. ACCOMPLISHED FIM 75-33 TASK 802. NO FAULTS FOUND, INTERMITTENT FAULT. ACCOMPLISHED VISUAL CHECK OF CONNECTORS AND J9 HARNESS NOT IN CLAMPS. RESEATED HARNESS IN CLAMPS.