What was found
ON LANDING, WHEN POWER LEVERS WERE BROUGHT TO DISC, THE NR 1 DID NOT GO INTO BETA, UNTIL JUST BEFORE STOPPING AT THE GATE THE POWER LEVERS WERE IN DISC THE ENTIRE TIME THE NR 1 PROP GROUND RANGE LIGHT DID NOT ILLUMINATE. THE ACFT PULLED TO THE RIGHT ON ROLL OUT. TORQUE, ITT, NH AND NL AND FF WERE ALL HIGHER ON NR 1, ALL WENT TO NORMAL JUST BEFORE STOPPING AT THE GATE NO OTHER MESSAGES OR CAUTION LIGHTS. R & R PCU. RETURNED TO SERVICE.