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
Sikorsky S6135-20610-102	Spacer	—	—	63	Consumables / Hardware	OEM
Sikorsky S6135-20611-42	Cam Assembly RH	—	—	63	unknown	OEM
Sikorsky S6135-20634-1	Housing	—	—	63	unknown	OEM
Sikorsky S6135-20634-4	Housing Assembly	—	—	63	unknown	OEM
Sikorsky S6135-20634-5	Housing Assembly	—	—	63	unknown	OEM
Sikorsky S6135-20649-1	Bearing Sleeve	—	—	63	unknown	OEM
Sikorsky S6135-20663-4	Guide	—	—	63	unknown	OEM
Sikorsky S6135-20683-1	Bolt	—	—	63	Consumables / Hardware	OEM
Sikorsky S6135-20684-1	Shaft	—	—	63	unknown	OEM
Sikorsky S6135-20687-1	Gear	—	—	63	unknown	OEM
Sikorsky S6135-20688-1	Housing Assembly	—	—	63	unknown	OEM
Sikorsky S6135-20695-1	Gear, Housing	—	—	63	unknown	OEM
Sikorsky S6135-20695-2	Gear, Housing	—	—	63	unknown	OEM
Sikorsky S6135-20695-4	Gear Housing	—	—	63	unknown	OEM
Sikorsky S6135-20701-3	Support Assembly	—	—	63	unknown	OEM
Sikorsky S6135-20705-0	Drive Shaft	—	—	63	unknown	OEM
Sikorsky S6135-20715-2	Support	—	—	63	unknown	OEM
Sikorsky S6135-20719-2	Shield Support Assembly	—	—	63	unknown	OEM
Sikorsky S6135-20851-1	Shaft	—	—	63	unknown	OEM
Sikorsky S6135-20860-1	Input Drive Shaft Assembly	—	—	63	unknown	OEM
Sikorsky S6135-22017-041	Spur R GR/Plug	—	—	63	unknown	OEM
Sikorsky S6135-22074-12	Elbow	—	—	63	Consumables / Hardware	OEM
Sikorsky S6135-22074-15	Union	—	—	63	Consumables / Hardware	OEM
Sikorsky S6135-64014-0	Plate	—	—	63	unknown	OEM
Sikorsky S6135-64018-2	Shaft	—	—	63	unknown	OEM
Sikorsky S6135-64019-3	Bracket	—	—	63	unknown	OEM
Sikorsky S6135-66225-0	Spiral	—	—	63	unknown	OEM
Sikorsky S6135-66235-0	Breather	—	—	63	unknown	OEM
Sikorsky S6135-66426-2	Liner	—	—	63	unknown	OEM
Sikorsky S6135-66612-6	Gear Shaft Assembly	—	—	63	unknown	OEM
Sikorsky S6135-66629-0	Gear Shaft	—	—	63	unknown	OEM
Sikorsky S6135-66705-41	Beam Assembly	—	—	63	unknown	OEM
Sikorsky S6137-23050-1	Gear, helical	—	—	63	unknown	OEM
Sikorsky S6137-23051-2	Gear	—	—	63	unknown	OEM
Sikorsky S6140-61631-2	Shaft Assembly	—	—	63	unknown	OEM
Sikorsky S6140-61631-3	Shaft Assembly	—	—	63	unknown	OEM
Sikorsky SB1106-1	Bearing	—	—	63	Consumables / Hardware	OEM
Sikorsky SS4017-6	Jet - Metering	—	—	63	unknown	OEM
Sikorsky XW20483-1730	Flex Drive Assembly Non Magnetic, with Support Spring	—	—	63	unknown	OEM
SK CP 2456-3 Rev E	kaflex driveshaft	messerschmitt bolkow blohm gmbh	—	63	Flight Controls	OEM
SKCP2281-103	KAflex® Driveshaft Main Drive UH-1	—	—	63	unknown	OEM
SKCP2281-103	KAflex® Driveshaft Main Drive UH-1	—	—	63	unknown	OEM
SKCP2281103	DRIVE SHAFT	—	—	63	Structures	OEM
SKCP234085	DRIVE SHAFT	—	—	63	Structures	OEM
SKCP24563	DRIVE SHAFT	—	—	63	Structures	OEM
SKCP2962-13	Rotor Brake Disk	Kamatics Corp	—	63	Powerplant / Nacelle	PMA
SKCP2967-13	Rotor Brake Cup	Kamatics Corp	—	63	Powerplant / Nacelle	PMA
SKCP2975-1	Kaflex Rotor Brake Modification	Kamatics Corp	—	63	Powerplant / Nacelle	PMA
SKCP3053-1	Rotor Brake Modification	Kamatics Corp	—	63	Powerplant / Nacelle	PMA
SKCP3303-1	KAflex® Driveshaft Main Drive UH-1	Kamatics Corporation	—	63	Engine Accessories	PMA