Service difficulty reports · 4
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR AS350B2BELCRKBellcrank · gougedWE HAVE FOUND THIS PART TO HAVE MAINTENANCE INDUCED DAMAGE FROM DISCONNECTING THE LT FORWARD INPUT ROD AT THE PRIMARY FLIGHT CONTROL SERVO AND ALLOWING THE ROD TO FALL FORWARD. THIS ACTION ALLOWS THE LOWER JAM NUT TO CONTACT THE BELLCRANK, CAUSING DAMAGE. THE SDR B3OR200000009Bearing · bindingPILOT LIFTED AIRCRAFT INTO A HOVER AND FELT SOME BINDING IN THE FORE AND AFT DIRECTION OF HIS CYCLIC CONTROL. AFTER SHUTDOWN, MAINTENANCE PERSONNEL INSPECTED CONTROL SYSTEM. BINDING WAS DUPLICATED AFTER DISCONNECTING SERVO INPUTS. INVESTIGATION REVEALED A FROZSDR 99ZZZX1725Bulb · inoperativeTHE LANDING LIGHT BULBS ARE CONTINUALLY REQUIRING CHANGING. THIS BULB ONLY LASTED FOR 1.1 FLIGHT HOURS WITH 10 NIGHT LANDINGS. THE PREVIOUS BULB LASTED FOR 19 FLIGHT HOURS. OPERATING 3 EACH AS350B HELICOPERS, APPEAR TO BE AVERAGING BETWEEN 20 AND 30 FLIGHTSDR 2000ZZZX245Gimbal Assy · corrodedBLACK PROTECTIVE COATING APPARENTLY DID NOT BOND PROPERLY. AFTER SEPARATION OF THE PROTECTIVE COATING FROM THE PART'S SURFACE, MOISTURE/WATER WOULD BE ENTRAPPED BETWEEN THE SURFACE OF THE PART AND THE PROTECTIVE COATING, ULTIMATELY CAUSING CORROSION.