What was found
DURING CLIMB, THE NR 2 ENGINE PROPELLER NP ROLLED BACK TO APPROXIMATELY 970-980 RPM. ALSO NOTED A TORQ SPLIT BETWEEN NR 1 AND NR 2 ENGINE WITH NR 2 ENGINE APPROXIMATELY 2-3 PERCENT HIGHER. AFTER REDUCING PROP RPM TO 900 ALL INDICATIONS WERE NORMAL. USED 1020 RPM FOR LANDING AND ALL INDICATIONS WERE NORMAL. IAW MAINTENANCE REQUEST C/W ENGINE TREND DOWNLOAD IAW MAINTENANCE 6773101. DUE TO ACFT HISTORY AND MAINTENANCE REQUEST, R & R NR 2 OVERSPEED GOVERNOR IAW AMM 61-20-26-000-801 AND 61-20-26-400-801. OPS CHECKS GOOD. LEAK CHECK GOOD. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.