What was found
CLT - FLT 8028 - DURING CLIMB-OUT FROM CLT, THE CREW ENCOUNTERED A RIGHT ENGINE VIBRATION AT ALL AIR SPEEDS ABOVE 86 PERCENT N1. FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE ASSEMBLY PER JOB CARD. TRIMMED ENGINE. OPERATIONAL CHECK AND LEAK CHECK GOOD. NO VIBRATION NOTED ON NEWLY INSTALLED ENGINE. (M)