As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, THE AIRCRAFT WAS EXPERIENCING AN ENGINE VIBE THAT WAS HIGH BUT WITHIN INTOLERANCE. THEY DECLARED AN EMERGENCY FOR LANDING OVERWEIGHT BY 1900 LBS. / COMPLIED WITH FAN BLADE LUBRICATION. REMOVED AND REPLACED RH ENGINE FAN BLADE PINS IAW CRJ900 AMM 12-20-72-640-804.