As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PROPELLER NP INDICATOR 102.7 PERCENT AFTER TAKEOFF. RETURNED TO FIELD. CHECKED RIGHT ENGINE CONTROL LINKAGE. PERFORMED POWER RUN ON RIGHT ENGINE. RPM IS WITHIN PERIMETERS AND CONDITION LEVER RESPONSE IS NORMAL. SYSTEM OPS GOOD. COULD NOT DUPLICATE.