What was found
WHILE ACCOMPLISHING TASK CARD 78273000, FOUND FAULT 73-20171 ON NR 1 ENGINE INTERNAL EEC FAULT. ONLY 1 FLIGHT LEG FAULTED. ACFT GROUNDED. ON DEFERRAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE ACCOMPLISHING TASK CARD 78273000, FOUND FAULT 73-20171 ON NR 1 ENGINE INTERNAL EEC FAULT. ONLY 1 FLIGHT LEG FAULTED. ACFT GROUNDED. ON DEFERRAL.