As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBOUT OUT OFF FL230"ENG 3 EXCEEDANCE"LVL ALERT DISPLAYED.EGT OBSERVERED AT 964 WITH PWR EQUAL OTHER PARAMETERS EQUAL.DURING CRUISE HAD #3 ENG PULLED BACK 10-15% N1 TO KEEP BELOW YELLOW ARC.NOTICED SLOW FLUCTUATIONS FROM 590 EGT TO 800 DURING LVL FLT.