Air conditioning and pressurization · bearing · failedNov 8, 2002
DURING POST FLIGHT INSPECTION TECHNICAN ROTATED MAIN ROTOR TO INSPECT. WHILE TURNING HE NOTED THAT IT WAS VERY HARD TO TURN. FURTHER TROUBLESHOOTING REVEALED THE AIR CONDITIONER COMPRESSOR BELT SLIPPING ON THE COMPRESSOR DRIVE PULLEY. THE AIR CONDITIONER COMPRESSOR CLUTCH BEARING HAD FAILED MAKING…
From FAA Service Difficulty Reports; matched by N-number and serial number.Air conditioning and pressurization · evaporator · brokenSep 6, 2002
CRACKED HOUSINGS THAT CAUSE BLOWER MOTORS TO BECOME DISLODGED IN THE HOUSING, CAUSING BLOWER CAGES TO RUB ON THE HOUSING AND HOUSINGS TO BREAK APART. EVENTUAL FAILURE OF ENTIRE ASSEMBLY AND BLOWER MOTOR RENDERING THE AIRCONDITIONING SYSTEM INOPERATIVE. ONE OF HOUSING PARTS OR BLOWER CAGE PIECES…
From FAA Service Difficulty Reports; matched by N-number and serial number.Main rotor drive · pulley · scoredMay 29, 2002
AIRCRAFT WAS IN FOR 500 HOUR INSPECTION. WHILE INSPECTING THE MAIN GEAR BOX COUPLING THAT DRIVES THE HYDRAULIC PUMP VIA A BELT AND PULLEY, THE PULLEY SURFACE WHERE THE BELT CONTACTS IT WAS FOUND TO BE UNUSUALLY ROUGH. THE BELT WAS ALSO INSPECTED AND FOUND TO HAVE AN ABNORMAL TEXTURE. IT IS…
From FAA Service Difficulty Reports; matched by N-number and serial number.Main rotor drive · housing · wornMay 29, 2002
THE ENGINE TO MAIN GEAR BOX GIMBAL JOINT , WHICH HOUSES THE DRIVE SHAFT, HAD EXCESSIVE PLAY. UPON INSPECTION AT THE 500 HOUR, THE GIMBAL RING AND HOUSING WERE MEASURED AND FOUND TO BE OUT OF LIMITS AT THE GIMBAL PINS. A TECH REP WAS CONTACTED AND SUGGESTED THAT WE LOOK AT THE LEFT FOWARD MAIN GEAR…
From FAA Service Difficulty Reports; matched by N-number and serial number.Main rotor drive · mount · deterioratedMay 29, 2002
THE ENGINE TO M/R GEARBOX GIMBAL JOINT , WHICH HOUSES THE DRIVE SHAFT, HAD EXCESSIVE PLAY. UPON INSPECTION AT THE 500 HOUR, THE GIMBAL RING AND HOUSING WERE MEASURED AND FOUND TO BE OUT OF LIMITS AT THE GIMBAL PINS. THE PINS THEMSELVES NORMALLY GET SOME WEAR BUT THIS WEAR WAS IN THE BUSHINGS IN…
From FAA Service Difficulty Reports; matched by N-number and serial number.Main rotor · stop · corrodedMay 29, 2002
DURING 500 HOUR INSPECTION OF THE MAIN ROTOR COMPONENTS, CORROSION WAS FOUND ON THE MATING SURFACE OF THE SPHERICAL STOP WHERE IT ATTACHES TO THE STARFLEX. ALL THREE SPHERICAL STOPS WERE REPLACED DUE THE FACT THAT THEY ALL HAD 500 HOURS ON THEM AND CHANGING ONLY ONE IS NOT RECOMMENDED.
From FAA Service Difficulty Reports; matched by N-number and serial number.Main rotor · bearing · corrodedMay 29, 2002
DURING A 500 HOUR INSPECTION IT IS NECESSARY TO DISSASSEBLE THE MAIN ROTOR FREQUENCY ADAPTER TO INSPECT FOR CORROSION. THE BEARING THAT IS IN THE ADAPTER IS SUPPOSED TO BE EASILY REMOVABLE. VARIOUS EFFORTS WERE MADE TO REMOVE THE BEARING. THE BEARING WAS REMOVED BY EXCESSIVE FORCE TO TRY TO FIND…
From FAA Service Difficulty Reports; matched by N-number and serial number.