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
7620903001049	FITTING	—	S-76	63	unknown
7620903001054	FITTING	—	S-76	63	unknown
7625002108041	BELLCRANK	—	S-76	63	Flight Controls	unknown
7630807902106	BLOWER	—	S-76	63	Environmental / Cabin	OEM
7631955115	OIL PUMP	—	—	63	Engine Accessories	OEM
76351-09004-106	liner	sikorsky aircraft corporation	S-76	63	Engine Accessories	OEM
76351-09004-116	liner	sikorsky aircraft corporation	S-76	63	Consumables / Hardware	OEM
76351-09012-106	shaft	sikorsky aircraft corporation	S-76	63	Electromechanical	OEM
76351-09013-110	spacer	sikorsky aircraft corporation	S-76	63	Consumables / Hardware	OEM
76351-09033-104	gear	sikorsky aircraft corporation	S-76	63	Engine Accessories	OEM
76351-09043-042	flange assy	sikorsky aircraft corporation	—	63	Electromechanical	OEM
76351-09051-044	cover assy	sikorsky aircraft corporation	S-76	63	Structures	OEM
76351-09053-041	gear assy	sikorsky aircraft corporation	—	63	Electromechanical	OEM
76351-09059-041	funnel assy	sikorsky aircraft corporation	S-76	63	Powerplant / Nacelle	OEM
76351-09078-042	trans tube assy	sikorsky aircraft corporation	—	63	Structures	OEM
76351-09083-102	lube filter	sikorsky aircraft corporation	S-76	63	Consumables / Hardware	OEM
76351-09103-111	screen	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
76351-09104-103	screen	sikorsky aircraft corporation	S-76	63	Consumables / Hardware	OEM
76351-09104-104	screen	sikorsky aircraft corporation	S-76	63	Consumables / Hardware	OEM
76351-09104-105	screen	sikorsky aircraft corporation	S-76	63	Consumables / Hardware	OEM
76351-09105-056	jet assy	sikorsky aircraft corporation	—	63	Electromechanical	OEM
76351-09105-060	jet assy	sikorsky aircraft corporation	S-76	63	Powerplant / Nacelle	OEM
76351-09105-066	oil jet	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
76351-09105-067	jet	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
76351-09105-069	jet assy	sikorsky aircraft corporation	S-76	63	Powerplant / Nacelle	OEM
76351-09133-102	gear helical	sikorsky aircraft corporation	S-76	63	Electromechanical	OEM
76351-09174-101	use 76351-09174-103	sikorsky aircraft corporation	S-76	63	Powerplant / Nacelle	OEM
76351-09600-045	qt main gearbox	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
76351-09600-046	s76d main gear box assy	sikorsky aircraft corporation	S-76	63	Engine Accessories	OEM
76351-09611-101	gear bevel	sikorsky aircraft corporation	—	63	Electromechanical	OEM
76351-09612-102	pinion bull gr	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
76351-09615-102	locking plate	sikorsky aircraft corporation	—	63	Structures	OEM
76351-09619-102	bevel pinion	sikorsky aircraft corporation	S-76	63	Electromechanical	OEM
76351-09633-102	bull spur gear	sikorsky aircraft corporation	—	63	Electromechanical	OEM
76351-09633-103	bull gear	sikorsky aircraft corporation	—	63	Electromechanical	OEM
76351-09655-101	gear	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
76351-09658-101	helical pinion	sikorsky aircraft corporation	—	63	Electromechanical	OEM
76351-09667-101	cam shaft fwu	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
76351-09674-041	jet assy	sikorsky aircraft corporation	S-76	63	Structures	OEM
76351-09674-042	jet assy	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
76351-09677-041	jet assy	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
7635109002	GEARBOX	SKRSKY	S-76	63	Structures	OEM
7635109002048	UPPER HOUSING	—	S-76	63	Structures	OEM
7635109002050	HOUSING	—	S-76	63	unknown
7635109002051	UPPER HOUSING	—	S-76	63	Structures	OEM
7635109002053	HOUSING	SKRSKY	S-76	63	Structures	OEM
7635109002055	HOUSING	—	S-76	63	unknown	OEM
7635109008	HOUSING	—	S-76	63	unknown	OEM
7635109008056	HOUSING	—	S-76	63	unknown	OEM
7635109008057	HOUSING	—	S-76	63	unknown	OEM