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
420391	Bolt	—	—	63	Consumables / Hardware	OEM
420391AA	Bolt	Able Aerospace Services, Inc.	—	63	Flight Controls	PMA
4214T56P01	Ring - Nozzle Outer Metal Seal	—	—	63	unknown	OEM
4214T56P01	Ring - Nozzle Outer Metal Seal	—	—	63	unknown	OEM
423252	Stator Shroud, 2nd Stage	—	—	63	unknown	OEM
423252	Stator Shroud, 2nd Stage	—	—	63	unknown	OEM
423252AA	Stator Shroud, 2nd Stage	Able Aerospace Services, Inc.	—	63	Flight Controls	PMA
427-342-412-101	Input Seal	—	Bell 407	63	unknown	OEM
427-342-412-101	Input Seal	—	Bell 407	63	unknown	OEM
427-342-415-101	Sleeve, Wear	—	Bell 407	63	unknown	OEM
427-342-415-101	Sleeve, Wear	—	Bell 407	63	unknown	OEM
427040006107	TRANSMISSION	—	—	63	Engine Accessories	OEM
427040006111	TRANSMISSION	—	—	63	Engine Accessories	OEM
427040200111	CASE	—	—	63	unknown	OEM
427340352112	CALIPER	—	Bell 429	63	Landing Gear	OEM
429010204101	RESTRAINT	—	Bell 429	63	Structures	OEM
429310201105	SPRING	—	Bell 429	63	unknown	OEM
430010124101	BUSHING	—	—	63	unknown
430010211101	ISOLATION MOUNT	—	—	63	Structures	OEM
430010212101	RESTRAINT	—	—	63	Structures	OEM
430040003	TRANSMISSION	Bell	—	63	Structures	OEM
430040003107	TRANSMISSION	—	—	63	Structures	OEM
430040003109	TRANSMISSION	—	—	63	Engine Accessories	OEM
430040112103	SUN GEAR	—	—	63	Electromechanical	OEM
430040113103	GEAR	Bell	—	63	Flight Controls	OEM
430040116101	SUN GEAR	—	—	63	Structures	OEM
430340001105	GEARBOX	Bell	767-400 Bell 429+5	63	Engine Accessories
431373	BOLT	—	MD-90	63	Consumables / Hardware	OEM
432229	Bolt	—	—	63	Consumables / Hardware	OEM
432229	Bolt	—	—	63	Consumables / Hardware	OEM
432229AA	Bolt	Able Aerospace Services, Inc.	—	63	Flight Controls	PMA
432230	Ring, Retaining	—	—	63	Consumables / Hardware	OEM
432230	Ring, Retaining	—	—	63	Consumables / Hardware	OEM
432230AA	Ring, Retaining	Able Aerospace Services, Inc.	—	63	Flight Controls	PMA
433212	Seal - Plain Encased	—	—	63	unknown	OEM
433212	Seal - Plain Encased	—	—	63	unknown	OEM
433212AA	Seal - Plain Encased	Able Aerospace Services, Inc.	—	63	Flight Controls	PMA
442238AA	Washer -Key	Able Aerospace Services, Inc.	—	63	Flight Controls	PMA
44301-391	transmission case	Eurocopter	—	63	Engine Accessories	OEM
4474	CLUTCH	—	R22	63	Engine Accessories	OEM
4619005001	BLOWER	—	—	63	Environmental / Cabin	OEM
4619201011	HOUSING	—	—	63	unknown	OEM
4619201902	CENTER CASE	—	—	63	Engine Accessories	OEM
4619204001	PLANETARY AXLE	—	—	63	Structures	OEM
461920400146382	BEARING	—	—	63	unknown	OEM
4619213010	PLANETARY GEAR	—	—	63	Engine Accessories	OEM
4619302046	BEARING	—	—	63	unknown	OEM
4619303004	ROLLER BEARING	—	—	63	Engine Accessories	OEM
4619303053	WASHER	—	—	63	Consumables / Hardware	OEM
4619303060	DRIVE SHAFT	—	—	63	Engine Accessories	OEM