As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REF T/C 05-020-01 IN PRESENT LEG FAULTS MESSAGE 77-41614 "EGT PROBE 2 VALUE DOES NOT AGREE WITH THE AVERAGE OF ALL OTHER VALID EGT PROBE VALUES" IS SHOWING. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK G77-21-00-810-829 AND ENGINE IDLE SYSTEM TEST REF B737-9 AMM G71-00-00-700-808-G00, INITIAL EVALUATION SHOWS THE FAULT IS NOT ACTIVE AT THIS TIME. NO FURTHER MAINTENANCE REQUIRED.