What was found
ON CLIMB OUT OF SEA, 100 PERCENT NP & 84 PERCENT TQ, NP FLUCTUATIONS NOTED ON NR 2 ENGINE. NP SWIFTLY OSCILLATED BETWEEN 96 PERCENT TO 100.5 PERCENT, ACCOMPANIED WITH YAWING. PROP SYNC DESELECTED HAD NO EFFECT. TORQUE FLUCTUATIONS WERE APPROXIMATELY 2-3 PERCENT. APPEARED TO BE RESULT OF NP FLUCTUATION RATHER THAN CAUSE. RETURNED TO SEATTLE.INSPECTED ENGINE AND PROPELLER CONTROL LINKAGES. PERFORMED ENGINE RUN UP. NP FLUCTUATION NOT OBSERVED DURING RUN UP. NP WITHIN LIMITS.