As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE TREND DATA CONTINUES TO SHOW ERRORS INDICATIVE OF EGT INDICATION SYSTEM ANOMALIES. ALL OTHER PARAMETERS ARE NORMAL. PREVIOUS MAINT S3 PROBE REPLACED. ACFT GROUNDED. REPLACED AND TESTED CJ10 HARNESS IAW MM 73-21-06. TESTS PASS. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.