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
90-612-026-1	Washer, Lord Mount - Sprag System	Tulsa Heliparts Inc	Bell 206	63	Consumables / Hardware	PMA
90-620-374-1	Gasket, Transmission & Adapter Plate	Tulsa Heliparts Inc	—	63	Engine Accessories	PMA
90-620-619-1, -3, -5, & -7	Pin, Clutch Pivot	THI Texas Helogistics Inc	—	63	Powerplant / Nacelle	PMA
90-620-665-1	Roller, Pinion, Upper Planetary, Trans.	THI Texas Helogistics Inc	—	63	Powerplant / Nacelle	PMA
90-620-666-1	Roller, Pinion, Upper Planetary, Trans.	THI Texas Helogistics Inc	—	63	Engine Accessories	PMA
90-620-692-1	Transmission Clutch Shoe Pivot Pin	Tulsa Heliparts Inc	—	63	Engine Accessories	PMA
90-644-220-1	Cover - Grease Retaining, Spline Coupling	THI Texas Helogistics Inc	—	63	Powerplant / Nacelle	PMA
9009000601	INDICATOR	Moog	Bell 407	63	Instruments	OEM
90093013	INDICATOR	—	Bell 206 Bell 206L LongRanger	63	Instruments	unknown
900A3720002119	DISPLAY	DOUG	MD-90	63	Avionics / Electronics	OEM
900D1400005101	TRANSMISSION	KAWSKI	MD-90	63	Electromechanical
900D1400006101	TRANSMISSION	KAWSKI	MD-90	63	Electromechanical
900D1400526101	BLOWER DRIVE	—	MD-90	63	Environmental / Cabin	OEM
900D1400528101	INPUT PINION	—	MD-90	63	Electromechanical	OEM
900D2436016101	DRIVE PLATE	—	MD-90	63	Electromechanical	OEM
900D3403006101	LINING	—	MD-90	63	Wheels & Brakes	OEM
900D3403008101	SWITCH	—	MD-90	63	Electromechanical	OEM
900D3403502101	CALIPER	—	MD-90	63	Landing Gear	OEM
900D3408019101	ISOLATOR	—	MD-90	63	Structures	OEM
900D3408076101	ISOLATOR BOLT	—	MD-90	63	Consumables / Hardware	OEM
900D3409008101	FILTER	—	MD-90	63	unknown
900D3409034101	TRANSDUCER	—	MD-90	63	Instruments	OEM
900D3409526105	HOSE	—	MD-90	63	unknown
900D3448004103	IMPELLER	—	MD-90	63	Engine Accessories	OEM
900DG400200101	PINION ASSY	—	MD-90	63	Structures	OEM
900HG3402002103	CONTROL VALVE	—	MD-90	63	Hydraulics	OEM
9074-5	rotor brake master cylinder	sikorsky aircraft corporation	S-92A	63	Flight Controls	OEM
908416-602	vehicular propeller shaft with universal joint	other	—	63	Engine Accessories	PMA
90CDG400200101	PINION ASSY	—	MD-90	63	Structures	OEM
90P0113	Pump	—	—	63	unknown	OEM
90P0113	Pump	—	—	63	unknown	OEM
90P0113AA	Pump	Able Aerospace Services, Inc.	—	63	Flight Controls	PMA
9103PP	BEARING	—	Bell 204	63	unknown
9207035013101	BUSHING	—	S-92	63	unknown	OEM
92351-15000-042	main gear box	sikorsky aircraft corporation	—	63	Powerplant / Nacelle	OEM
92351-15000-043	main gear box	sikorsky aircraft corporation	—	63	Electromechanical	OEM
92351-15042-041	quill shaft assy	sikorsky aircraft corporation	S-92	63	Powerplant / Nacelle	OEM
92351-15100-044	main gearbox module	sikorsky aircraft corporation	S-92	63	Flight Controls	OEM
92351-15284-101	adapter spline	sikorsky aircraft corporation	S-92	63	Powerplant / Nacelle	OEM
92351-15800-101	lube scavange pump	sikorsky aircraft corporation	—	63	Engine Accessories	OEM
92351-15801-105	rotor brake caliper	sikorsky aircraft corporation	S-92	63	Flight Controls	OEM
92351-15802-106	Filter, Lube System, Main Gear Box	—	S-92A	63	unknown	OEM
92351-15802-106	Filter, Lube System, Main Gear Box	—	S-92A	63	unknown	OEM
92351-15803-102	oil dipstick assy	sikorsky aircraft corporation	S-92	63	Powerplant / Nacelle	OEM
92351-15808-101	mgb high temp switch	sikorsky aircraft corporation	—	63	Electromechanical	OEM
92351-15850-101	main mo chip detector-temp sensor	sikorsky aircraft corporation	S-92	63	Instruments	OEM
9235115001	GEARBOX	—	S-92	63	Structures	OEM
9235115001042	MODULE	—	S-92	63	unknown	OEM
9235115001044	GEARBOX	—	S-92	63	Structures	OEM
9235115001045	MODULE	SKRSKY	S-92	63	unknown	OEM