As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT ON INTIAL CLIMB, NR 2 ENGINE HP VIBRATIONS MAXED CLIMBING THROUGH 2000 FT. FELT COMPRESSOR STALL. IMMEDIATELY BROUGHT ENGINE TO IDLE AND INDICATIONS RETURNED TO GREEN. DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE. LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REMOVED AND REPLACED RIGHT ENGINE IAW 71-000-00. OPC AND LEAK CHECKED GOOD. ACFT RETURNED TO SERVICE.