As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAULT CODE 73-31372, UPPER EGT SECTORS READING HIGH FOUND FOR NR 2 ENG ON T/C 78273000. ACFT GROUNDED. WHILE PERFORMING THE RE-ACCOMPLISHMENT OF TC 78273000, FOUND NO FAULTS FOR THE NR 2 ENGINE. THIS PLT IS CLEARED AS AN INTERMITTENT FAULT.