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
R6135-20072-2	screw	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20108-0	coupling	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
R6135-20108-101	coupling	sikorsky aircraft corporation	—	63	Electromechanical	OEM
R6135-20147-2	housingassembly	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
R6135-20148-1	splined cplg fwd	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20148-2	splined cplg fwd	sikorsky aircraft corporation	—	63	Electromechanical	OEM
R6135-20148-6	thru shaft assembly	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
R6135-20181-2	gear	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20185-0	gear	sikorsky aircraft corporation	—	63	Electromechanical	OEM
R6135-20186-0	shaft	sikorsky aircraft corporation	—	63	Electromechanical	OEM
R6135-20186-4	shaft	sikorsky aircraft corporation	—	63	Electromechanical	OEM
R6135-20191-0	cage gen idler	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20198-101	washer	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20272-0	breather assembly	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20350-1	jet	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20350-2	jet	sikorsky aircraft corporation	—	63	Structures	OEM
R6135-20362-1	spring	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20407-212	tube	sikorsky aircraft corporation	—	63	Structures	OEM
R6135-20407-216	tube assembly	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
R6135-20433-104	manifold gearbox	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
R6135-20606-013	housing cover matched set	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20606-045	housing cover matched set	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20607-3	gear spur	sikorsky aircraft corporation	—	63	Structures	OEM
R6135-20608-3	gear spur	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20610-102	spacer	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20611-42	cam assembly rh	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20612-1	nut spanner	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20619-1	cover liner assembly	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20626-1	spacer	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20629-102	housing lower	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
R6135-20629-103	housing lower	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20629-104	housing lower	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20630-1	liner	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20634-1	housing	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20634-4	housing assembly	sikorsky aircraft corporation	—	63	Electromechanical	OEM
R6135-20634-5	housing assembly	sikorsky aircraft corporation	—	63	Structures	OEM
R6135-20639-101	input housing	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20639-103	input housing	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20639-17	input housing	sikorsky aircraft corporation	—	63	Structures	OEM
R6135-20639-20	input housing	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
R6135-20649-1	bearing	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20657-1	coupling	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
R6135-20663-4	guide	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20665-1	liner	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20667-1	shim	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20670-045	housing lower l s	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20673-4	set screw	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
R6135-20681-1	gear	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
R6135-20682-1	gear	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
R6135-20683-1	bolt	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM