As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1620 - ATL-PIT - ON CLIMB, CAPTAIN RECEIVED INDICATIONS OF NR 1 ENGINE POWER SURGE TEMPERATURE EXCEEDANCE AND FOUR FAULT MESSAGES. THE CAPTAIN DECLARED AN EMERGENCY AND RETURNED TO THE FIELD WITHOUT INCIDENT. MAINTENANCE REPLACED NR 1 ENGINE FADAC. PERFORMED GROUND RUN AND POWER ASSURANCE, NO DEFECTS NOTED. (M)