As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE ECONOMIC FAULT 75-20362 HPTCC SIGNAL OUT OF RANGE FOUND WHILE ACCOMPLISHING T/C 78273000. ACFT GROUNDED. ACCOMPLISHED EEC BITE TEST ON NR 2 ENG, NO RECENT FAULTS LOGGED AND NO HISTORY FAULTS RECORDED. GROUND BITE TEST OPS NORMAL REF MM 73-00-00, TASK 73-00, TASK 801.