Service difficulty reports · 5
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR 99ZZZX236Cover · crackedAFTER APPROXIMATELY 1 HOUR OF ENGINE OPERATION, THE STARTER HOUSING WAS OBSERVED TO BE CRACKED ON EITHER SIDE OF THE STRATER MOTOR. SUBMITTER SUGGESTED STARTER WAS IMPROPERLY MOUNTED, AS DELIVERED IN THE KIT. THE O-RINGS WERE COMPRESSED TO THE POINT THERE WASDR 99ZZZX235O Ring · pinchedFILM OF OIL OBSERVED AROUND INSIDE OF THE SPRAGUE CLUTCH. A CALL TO REVOLUTION HELICOPTER CONFIRMED RED COLOR. INSPECTION REVEALED NO REMAINING FLUID AND A PINCHED O-RING. SEIZURE WAS IMMINENT. SUBMITTER SUGGESTED POOR QC AT ASSEMBLY AND RECOMMENDED ALL CSDR 98ZZZX3870Control Cable · looseUPON LIFTING THE HELICOPTER INTO A HOVER, SUBMITTER NOTICED IT WAS IMPOSSIBLE TO CONTROL THE SWING OF THE TAIL EVEN WHILE HOLDING THE PEDALS STILL. DISASSEMBLED THE TAIL BOOM AND REMOVED THE TAIL ROTOR PUSH/PULL CABLE. FURTHER INSPECTION REVEALED .50 INCH OFSDR 99ZZZX762Snap Ring · mismanufacturedTHE SNAP RING THAT HOLDS THE BEARING IN PLACE WAS MACHINED .1250 INCH BELOW THE TOP OF THE BEARING. THE SNAP RING COULD NOT BE PROPERLY INSTALLED, FOUND THE BEARING WAS ONLY HELD IN BY PRESS FIT.SDR 99ZZZX761Bolt · looseTHE ROTORHEAD TOLERANCES ARE SO LOOSE THAT IT IS IMPOSSIBLE TO CORRECTLY DETERMINE THE CONING ANGLE. THE BOLTS HOLDING THE GRIPS IN PLACE ALLOW THE HEADS CONE ANGLE TO VARY PLUS OR MINUS 1 DEGREE. TWO DEGREES IS NORMAL, SO THIS IS A 50 PERCENT ERROR. SUBMIT