What was found
PHX/DSM - FLT 6009 - APPROXIMATELY TEN MINUTES AFTER DEPARTURE FROM PHX, THE CREW REPORTED THE NR 2 ENGINE VIBRATION INDICATOR TURNED YELLOW AT 2.7 PERCENT. CREW DECLARED AN EMERGENCY DUE TO THE FACT THE AIRCRAFT WAS OVERWEIGHT. THE AIRCRAFT RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. A HEAVY LANDING INSPECTION WAS PERFORMED, AND THE AIRCRAFT WAS FERRIED TO FAT, WHERE A VISUAL INSPECTION AND POWER RUNS WERE PERFORMED, WITH ENGINE VIBRATIONS FOUND TO BE WITHIN LIMITS. THE AIRCRAFT WAS RETURNED TO SERVICE. (X)