What was found
(CAN) PILOT REPORTED INTERMITTENT COLLECTIVE CONTROL RESTRICTIONS AT VARIOUS POWER SETTINGS THROUGHOUT THE COLLECTIVE CONTROL RANGE. ENGINEER REPORTED THE PROBLEM WAS BEING CAUSED BY MOISTURE INGRESS AND THEREBY LOSS OF LUBRICATION TO THE BEARINGS, PN MS27646-41 ON THE COLLECTIVE, LATERAL CYCLIC BELLCRANK, PN 429-001-523-103, IPB FIG 67-24, CAUSING CONTROL RESTRICTION.