As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB-OUT FROM MIAMI, NR 1 ENGINE INDICATIONS FLUCTUATED, CREW REDUCED POWER TO IDLE AND RETURNED TO MIAMI FOR AN UNSCHEDULED LANDING. MAINTENANCE DRAINED FCU MOISTURE TRAP, CLEANED FCU FUEL FILTER AND P AND D VALVE FILTER. ACCOMPLISHED TEST FLIGHT WITH NO FLUCTUATING INDICATIONS NOTED. RETURNED TO SERVICE.