As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE NR 1 ENGINE WOULD NOT GO ABOVE 1.60 EPR WHEN SETTING CLIMB POWER. CREW RETURNED AIRCRAFT TO AIRPORT AND LANDED WITHOUT INCIDENT. MAINTENANCE CLEANED NR 1 ENGINE FCU MOISTURE TRAP AND INSPECTED PRBC. NO DEFECTS WERE NOTED. PERFORMED ALL OPERATIONAL CHECKS IAW ALL APPLICABLE MANUALS AND NO DEFECTS WERE NOTED. AIRCRAFT WAS RETURNED TO SERVICE.