As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7522 - IAD-EWR - DURING CLIMB, RETURNED FROM FLIGHT DUE TO RIGHT PROP RPM IND FLUX. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED SPEED MONOPOLE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)