ATA 63 — Main Rotor Drive(s)

4,983 parts classified under this chapter

Reliability rollup

100%Median scrap propensity

1,494 parts · 4,374 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
A0182	CLUTCH	—	R22	63	Structures	OEM
A02D31473R	EXTENSION	—	—	63	Structures	OEM
A02D31731	SEAL RING	—	—	63	Consumables / Hardware	unknown
A0511	CLUTCH ACTUATOR	ROBSIN	R22	63	Flight Controls	OEM
A0512	ACTUATOR	ROBSIN	R22	63	Flight Controls	OEM
A1161	SHAFT	—	R22	63	Engine Accessories	OEM
A14A12781028	GEARBOX	—	S-61	63	Structures	OEM
A15008	BLOWER	—	S-61	63	Environmental / Cabin	OEM
A1531	RETAINER NUT	—	R22	63	Consumables / Hardware	OEM
A15D3840-1	Rotor Drive Sync Shaft Assy	Boeing	—	63	Powerplant / Nacelle	PMA
A1681	RETAINER	—	R22	63	Consumables / Hardware
A1701	SHEAVE	ROBSIN	R22	63	Flight Controls	OEM
A1814	BEARING	ROBSIN	R22	63	Consumables / Hardware	unknown
A1814REVK	BEARING	—	R22	63	unknown	OEM
A1843	BEARING	ROBSIN	R44 R22	63	Flight Controls	PMA
A1862	HUB	ROBSIN	R22	63	Structures	OEM
A1874	CONE	—	R22	63	Consumables / Hardware	OEM
A1882	SPRAG CLUTCH	—	R22	63	Electromechanical	OEM
A1902	DRIVE BELT	ROBSIN	R22	63	Consumables / Hardware	OEM
A1903	DRIVE BELT	ROBSIN	R44	63	Engine Accessories	OEM
A2000758	OUTER COUPLING	—	Bell 212	63	Electromechanical	OEM
A215029	O-RING	—	R44	63	Consumables / Hardware	OEM
A215156	O-RING	—	R44	63	Consumables / Hardware	OEM
A266331	IMPELLER	—	MD 500	63	Engine Accessories	OEM
A27902	shaft splined	airbus helicopters inc american eurocopter	—	63	Engine Accessories	OEM
A3221	MONITOR	—	Bell 206	63	Instruments	OEM
A3281WX	chip detector	sikorsky aircraft corporation	—	63	Avionics / Electronics	OEM
A4931	SHEAVE	ROBSIN	R44 R22	63	Flight Controls	OEM
A51423	SPRING	—	R44	63	Consumables / Hardware
A58350-10030-046	shaft assembly engine drive shaft	sikorsky aircraft corporation	—	63	Electromechanical	OEM
A61	TRANSMISSION	—	R22	63	Electromechanical	OEM
A6130-62014-002	shaft assembly	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
A6130-63010-002	cock poppet drain	sikorsky aircraft corporation	—	63	Electromechanical	OEM
A6130-63087-001	valve	sikorsky aircraft corporation	—	63	Electromechanical	OEM
A61300-80076-001	tube assembly	sikorsky aircraft corporation	—	63	Structures	OEM
A6135-20407-206	tube assembly	sikorsky aircraft corporation	—	63	Structures	OEM
A6135-20407-207	tube assembly	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
A6135-20407-213	tube assembly	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
A6135-20407-223	tube assembly	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
A6135-20705-000	drive shaft	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
A6135-20860-001	input drive shaft assembly	sikorsky aircraft corporation	—	63	Electromechanical	OEM
A6135-20968-002	tube	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
A6135-64001-001	shaft assembly	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
A6135-64001-041	shaft assembly	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
A6135-64002-041	shaft assembly	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
A6135-64003-001	shaft assembly	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
A6135-64003-041	shaft assembly	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
A6135-64003-1	shaft assembly	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
A6135-64003-3	shaft assembly section iii	sikorsky aircraft corporation	—	63	Flight Controls	OEM
A6135-64007-000	housing	sikorsky aircraft corporation	—	63	Structures	OEM