ATA 63 — Main Rotor Drive(s)

6,080 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
350A32-0300-04P	reduction gear tapered	Eurocopter	AS350 Ecureuil	63	Flight Controls	OEM
350A32-0300-05N	reduction gear tapered	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Flight Controls	OEM
350A32-0300-10	mgb beve	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Structures	OEM
350A32-0310-00M	reduction gear tapered	airbus helicopters inc american eurocopter	—	63	Engine Accessories	OEM
350A32-0310-01M	reduction gear tapered	Eurocopter	—	63	Engine Accessories	OEM
350A32-0310-02M	reduction gear tapered	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Structures	OEM
350A32-0310-0X	tapered reduction gear	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Electromechanical	OEM
350A32-0350-02M	main module assy	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Electromechanical	OEM
350A32-0400-00M1	mgb oil pump	airbus helicopters inc american eurocopter	—	63	Engine Accessories	OEM
350A32-1050-02	planet gear	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Structures	OEM
350A32-1051-21	ring gear fixed	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Flight Controls	OEM
350A32-1060-47	screw	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Consumables / Hardware	OEM
350A32-1069-22	mount planet gear	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Flight Controls	OEM
350A32-1072-20	washer	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Consumables / Hardware	OEM
350A32-1075-20	planet gear nitrided	airbus helicopters inc american eurocopter	—	63	Structures	OEM
350A32-1082-04	planet gear assy	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Electromechanical	OEM
350A32-1089-21	mount planet gear 4 contacts	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Electromechanical	OEM
350A32-1090-20	housing bearing	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Structures	OEM
350A32-1097-20	planet gear support	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Electromechanical	OEM
350A32-1100-20	threaded pin	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Consumables / Hardware	OEM
350A32-1103-21	planet gear support timken	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Structures	OEM
350A32-1114-00	planet gear assy	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Engine Accessories	OEM
350A32-3088-00	flange assy	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Structures	OEM
350A32-3107-23	shaft vertical	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Flight Controls	OEM
350A32-3107-25	shaft vertical	airbus helicopters inc american eurocopter	—	63	Structures	OEM
350A32-3118-20	gear pump driving	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Electromechanical	OEM
350A32-3121-02	main case assy	airbus helicopters inc american eurocopter	—	63	Engine Accessories	OEM
350A32-3121-38	oversize bushing r3	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Consumables / Hardware	OEM
350A32-3121-40	oversize bushing r1	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Consumables / Hardware	OEM
350A32-3121-41	oversize bushing r2	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Consumables / Hardware	OEM
350A32-3121-46	oversize bushing	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Consumables / Hardware	OEM
350A32-3126-20	housing	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Structures	OEM
350A32-3143-03	drive spiral	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Flight Controls	OEM
350A32-3143-04	drive spiral	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Electromechanical	OEM
350A32-3163-20	bevel gear	Eurocopter	—	63	Engine Accessories	OEM
350A32-3173-20	bevel gear	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Structures	OEM
350A32-3214-20	spacer	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Consumables / Hardware	OEM
350A32-3219-00	flexible coupling	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Structures	OEM
350A32-3923-04	gear driven	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Electromechanical	OEM
350A32-5035-20	leaf lever	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Flight Controls	OEM
350A32-5036-20	roller	airbus helicopters inc american eurocopter	—	63	Structures	OEM
350A32010004	REDUCTION GEAR	—	AS350 Ecureuil H125	63	Engine Accessories	PMA
350A32011000	REDUCTION GEAR	—	AS350 Ecureuil H125	63	Structures	OEM
350A32012000	GEARBOX	UROCOP	AS350 Ecureuil H125+1	63	Engine Accessories	OEM
350A32030001	REDUCTION GEAR	—	AS350 Ecureuil H125	63	Engine Accessories	OEM
350A32030004	BEVEL REDUCTION	—	AS350 Ecureuil H125	63	Electromechanical	OEM
350A32030005M	reduction gear tapered	airbus helicopters inc american eurocopter	AS350 Ecureuil	63	Flight Controls	OEM
350A32031000	GEARBOX	—	AS350 Ecureuil	63	Electromechanical	OEM
350A32031002	GEARBOX	SNIAS	AS350 Ecureuil H125	63	Structures	OEM
350A32035002	BEVEL GEAR	UROCOP	AS350 Ecureuil H125+1	63	Flight Controls	OEM