As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING ASA TASK CARD 78273000, #2 ENG HAS LONG TIME FAULT 77-20872, THE TOP LEFT EGT SINGAL (T495S4) IS OUT OF RANGE ON 2 LEGS. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)