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
RMHA-000084-200	MAIN GEARBOX INPUT ACCEL INTL	Sterling Helicopter	AW119	63	Instruments	PMA
RMHA-000084-240	ENGINE GEARBOX AFT ACCEL INTL	Sterling Helicopter	AW119	63	Instruments	PMA
RMHA-000084-80	HANGER BEARING ACCEL	Sterling Helicopter	AW119	63	Instruments	PMA
RMMD-000055-01	BELL 407 SHAFT TACH BRACKET	Sterling Helicopter	Bell 407	63	Structures	PMA
RR36340D	pump lube and scavenge	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
RS4017-6	jet metering	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
RSS9	BEARING	—	Bell 212	63	unknown	OEM
S1130021089	PRESSURE SENSOR	Airbus	AS350 Ecureuil H125+1	63	Instruments	OEM
S1620641283	GEARBOX MOUNT	—	—	63	Structures	OEM
S162064131000	FITTNG	—	—	63	Structures	OEM
S1635-20059	main shaft and plug assembly transm...	sikorsky aircraft corporation	—	63	Electromechanical	OEM
S163520058002	RING GEAR	—	—	63	Structures	OEM
S1635200592	SHAFT	—	—	63	Structures	OEM
S163520211	TOP CASE	—	—	63	Structures	OEM
S163561202002	COUPLING	—	—	63	Structures	OEM
S2210366-12C062	Bushing	—	MD-88	63	Consumables / Hardware	OEM
S2210366-12C062	Bushing	—	MD-88	63	Consumables / Hardware	OEM
S2210366AA-12C062	Bushing	Able Aerospace Services, Inc.	MD-88	63	Flight Controls	PMA
S247-4	Sight Gauge	Eaton	AgustaWestland AW139	63	unknown
S58592363	TRANSMISSION	—	—	63	Electromechanical	OEM
S6113522017003	RING GEAR	—	S-61	63	Structures	OEM
S6120-65123-1	Gasket	—	—	63	Consumables / Hardware	OEM
S61207626113	FITTING	—	S-61	63	unknown
S6125203480	FLANGE	—	S-61	63	unknown	OEM
S613-20186-0	Shaft	—	—	63	unknown	OEM
S6130-62031-1	Worm Assembly	—	—	63	unknown	OEM
S6130-622014-002	Shaft Assembly	—	—	63	unknown	OEM
S6130-63015-003	pump	sikorsky aircraft corporation	—	63	Electromechanical	OEM
S6130-63019-000	valve	sikorsky aircraft corporation	—	63	Electromechanical	OEM
S6130-63052-001	valve	sikorsky aircraft corporation	—	63	Electromechanical	OEM
S6130-63087-001	Valve	—	—	63	unknown	OEM
S6130-63087-001	Valve	—	—	63	unknown	OEM
S6130-80042-001	gear box assy	sikorsky aircraft corporation	—	63	Electromechanical	OEM
S6130-80075-004	shaft	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
S6130-80075-3	Shaft	—	—	63	unknown	OEM
S6130-80075-4	Shaft	—	—	63	unknown	OEM
S6130-80096-001	pinion	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
S6135-20011-043	upper hsg assy	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
S6135-20047	Liner	—	—	63	unknown	OEM
S6135-20062	LINER	—	—	63	unknown	OEM
S6135-20062	LINER	—	—	63	unknown	OEM
S6135-20063-000	liner	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
S6135-20064-000	liner	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
S6135-20068-000	liner	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
S6135-20070-002	gear	sikorsky aircraft corporation	—	63	Electromechanical	OEM
S6135-20070-003	gear	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
S6135-20072-2	Screw	—	—	63	Consumables / Hardware	OEM
S6135-20083-000	gear	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
S6135-20108-101	flange coupl	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM
S6135-20135-001	liner	sikorsky aircraft corporation	—	63	Consumables / Hardware	OEM