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
406340102101	CARBON SEAL	—	Bell 206 Bell 407+1	63	Consumables / Hardware	OEM
406340103103	BEARING	—	Bell 206 Bell 206L LongRanger	63	unknown	OEM
407-010-105-103	Droop Stop Stud	—	Bell 407	63	unknown	OEM
407-010-105-103	Droop Stop Stud	—	Bell 407	63	unknown	OEM
407-010-120-101	Pin	—	Bell 407	63	Consumables / Hardware	OEM
407-010-120-101	Pin	—	Bell 407	63	Consumables / Hardware	OEM
407-340-003-101	Seal	—	Bell 407	63	Consumables / Hardware	OEM
407-340-005-101	Seal	—	Bell 407	63	Consumables / Hardware	OEM
407-340-005-101	Seal	—	Bell 407	63	Consumables / Hardware	OEM
407010201101	BEAM ASSEMBLY	—	Bell 407	63	Structures	unknown
407010201105	BEAM	—	Bell 407	63	Structures	OEM
407010206103	BEARING	—	Bell 407	63	unknown
407010221101	STOP	—	Bell 407	63	unknown	OEM
4070140006107	TRANSMISSION	—	Bell 407	63	Structures	OEM
407030103B	MOUNT	Bell	Bell 407	63	Structures	OEM
407040006	TRANSMISSION	Bell	Bell 407	63	Engine Accessories
4070400060115FM	TRANSMISSION	—	Bell 407	63	Structures	OEM
407040006103	TRANSMISSION	Bell	Bell 407	63	Structures	OEM
407040006107	TRANSMISSION	TEXTRON	Bell 407	63	Engine Accessories	OEM
407040006107FM	TRANSMISSION	Bell	Bell 407	63	Engine Accessories	OEM
407040006107FM1	TRANSMISSION	Bell	Bell 407	63	Engine Accessories	OEM
407040006107FMS	TRANSMISSION	—	Bell 407	63	Structures	OEM
407040006111	BEVEL GEAR	—	Bell 407	63	Structures	OEM
407040006115	TRANSMISSION	Bell	Bell 407	63	Structures	OEM
407040006115FM	CHIP DETECTOR	Bell	Bell 407	63	Instruments	OEM
407040006123	TRANSMISSION	Bell	Bell 407	63	Flight Controls	OEM
407040006123FM	TRANSMISSION	—	Bell 407	63	Structures	OEM
407040006127	TRANSMISSION	Bell	Bell 407	63	Engine Accessories	OEM
407040007103	CHIP DETECTOR	Bell	Bell 407	63	Instruments	OEM
407040011111	MAST	Bell	Bell 407	63	Flight Controls	OEM
407040034101	PINION GEAR	—	Bell 407	63	Electromechanical	OEM
407040035101	BEVEL GEAR	Bell	Bell 407	63	Structures	OEM
407040037101	BEVEL GEAR	—	Bell 407	63	Electromechanical	OEM
407040050101	MAIN CASE	—	Bell 407	63	Engine Accessories	OEM
407040076101	BOLT	—	Bell 407	63	Consumables / Hardware	OEM
407040104101	ADAPTER	—	Bell 407	63	unknown
407040303101	FAN SHAFT	—	Bell 407	63	Electromechanical	unknown
407040303105A	BEARINGS	—	Bell 407	63	Consumables / Hardware	OEM
407040342101	MOUNT BRACKET	Bell	Bell 407	63	Structures	OEM
407040553101	DRAIN LINE	—	Bell 407	63	Engine Accessories	OEM
407040627101	TUBE	—	Bell 407	63	unknown	OEM
407040628101	TUBE	—	Bell 407	63	unknown	OEM
407064702101	TUBE ASSEMBLY	—	Bell 407	63	unknown
407070631101	BRAKE	—	Bell 407	63	Wheels & Brakes	OEM
407310202103	SPRING	—	Bell 407	63	Consumables / Hardware	OEM
4073102030101	MOUNT	Lord	Bell 407	63	unknown	OEM
407310203101	MOUNT	—	Bell 407	63	unknown
407340031101	BEARING	Bell	767-400 Bell 407+5	63	Engine Accessories
40734003201	DUPLEX BEARING	Bell	Bell 407 Bell 47	63	Flight Controls	OEM
407340102101	SEAL	—	Bell 407	63	Landing Gear	OEM