As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE LEFT ENGINE EGT INDICATION WAS WITHIN LIMITS BUT INDICATED 100 DEGREES HOTTER THAN THE RIGHT ENGINE EGT. CREW ELECTED TO RETURN TO MEM. MAINTENANCE REPLACED THE LEFT ENGINE PRBC AND PERFORMED A JET CALIBRATION TEST OF THE RIGHT AND LEFT ENGINE EGT SYSTEMS. ENGINE OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE. POWER PLANT SERIAL NUMBER 656091 CHANGED TO 657428.