As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACCOMP T/C 78273000 NR 2 ENG. RECORDED FAULT CODE 77-10842 THE TOP RIGHT EGT SIGNAL IS OUT OF RANGE. LONG-TIME FAULT. GROUNDED - YES. ACCOMPLISHED FIM 77-21 TASK 801, FOUND LOOSE CONNECTION BETWEEN CJ9 & J9 HARNESSES, SECURED CONNECTOR. REPAIR CONFIRMED GROUND EEC TEST PASSED.