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-000029-160	ENGINE GEARBOX ACCEL	Sterling Helicopter	Bell 407	63	Instruments	PMA
RMHA-000029-170	MAIN GEARBOX FORWARD ACCEL	Sterling Helicopter	Bell 407	63	Instruments	PMA
RMHA-000029-180	MAIN GEARBOX AFT ACCEL	Sterling Helicopter	Bell 407	63	Instruments	PMA
RMHA-000029-30	HANGER BEARING 3 ACCEL	Sterling Helicopter	Bell 407	63	Instruments	PMA
RMHA-000029-40	HANGER BEARING 4 ACCEL	Sterling Helicopter	Bell 407	63	Instruments	PMA
RMHA-000029-50	HANGER BEARING 5 ACCEL	Sterling Helicopter	Bell 407	63	Instruments	PMA
RMHA-000029-60	HANGER BEARING 6 ACCEL	Sterling Helicopter	Bell 407	63	Instruments	PMA
RMHA-000032-10	HANGER BEARING 1 ACCEL	Sterling Helicopter	Bell 206 Bell 206L LongRanger	63	Instruments	PMA
RMHA-000032-100	MAIN GEARBOX CASE ACCEL	Sterling Helicopter	Bell 206 Bell 206L LongRanger	63	Instruments	PMA
RMHA-000032-120	ENGINE GEARBOX ACCEL	Sterling Helicopter	Bell 206 Bell 206L LongRanger	63	Instruments	PMA
RMHA-000032-20	HANGER BEARING 2 ACCEL	Sterling Helicopter	Bell 206 Bell 206L LongRanger	63	Instruments	PMA
RMHA-000032-210	MAIN GEARBOX FORWARD, INTL	Sterling Helicopter	Bell 206 Bell 206L LongRanger	63	Instruments	PMA
RMHA-000032-220	MAIN GEARBOX CASE, INTL	Sterling Helicopter	Bell 206 Bell 206L LongRanger	63	Instruments	PMA
RMHA-000032-30	HANGER BEARING 3 ACCEL	Sterling Helicopter	Bell 206 Bell 206L LongRanger	63	Instruments	PMA
RMHA-000032-40	HANGER BEARING 4 ACCEL	Sterling Helicopter	Bell 206 Bell 206L LongRanger	63	Instruments	PMA
RMHA-000032-50	HANGER BEARING 5 ACCEL	Sterling Helicopter	Bell 206 Bell 206L LongRanger	63	Instruments	PMA
RMHA-000032-70	HANGER BEARING 7 ACCEL	Sterling Helicopter	Bell 206 Bell 206L LongRanger	63	Instruments	PMA
RMHA-000035-10	HANGER BEARING 1 ACCEL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-100	MAIN GEARBOX AFT ACCEL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-210	HANGER BEARING 1 INTL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-220	HANGER BEARING 2 INTL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-230	HANGER BEARING 3 INTL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-250	HANGER BEARING 5 INTL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-260	HANGER BEARING 6 INTL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-290	ENGINE GEARBOX 2 ACCEL INTL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-30	HANGER BEARING 3 ACCEL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-330	MAIN GEARBOX INPUT 2 ACCEL INTL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-50	HANGER BEARING 5 ACCEL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000035-90	ENGINE GEARBOX 2 ACCEL	Sterling Helicopter	EC135	63	Instruments	PMA
RMHA-000039-10	EC135 ENGINE GEARBOX HARNESS ASSEMBLY	Sterling Helicopter	EC135	63	Electromechanical	PMA
RMHA-000039-20	EC135 ENGINE GEARBOX HARNESS ASSEMBLY	Sterling Helicopter	EC135	63	Electromechanical	PMA
RMHA-000059-10	HANGER BEARING 1 ACCEL	Sterling Helicopter	Bell 505	63	Instruments	PMA
RMHA-000059-20	HANGER BEARING 2 ACCEL	Sterling Helicopter	Bell 505	63	Instruments	PMA
RMHA-000059-40	HANGER BEARING 4 ACCEL	Sterling Helicopter	Bell 505	63	Instruments	PMA
RMHA-000059-60	HANGER BEARING 6 ACCEL	Sterling Helicopter	Bell 505	63	Instruments	PMA
RMHA-000059-70	HANGER BEARING 7 ACCEL	Sterling Helicopter	Bell 505	63	Instruments	PMA
RMHA-000066-120	MAIN GEARBOX INPUT 2 ACCEL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-150	ENGINE GEARBOX 1 ACCEL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-160	ENGINE GEARBOX 2 ACCEL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-20	HANGER BEARING 2 ACCEL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-250	HANGER BEARING 5 ACCEL INTL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-260	HANGER BEARING 6 ACCEL INTL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-270	HANGER BEARING 7 ACCEL INTL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-30	HANGER BEARING 3 ACCEL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-320	MAIN GEARBOX INPUT 2 INTL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-360	ENGINE GEARBOX 2 INTL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-50	HANGER BEARING 5 ACCEL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000066-70	HANGER BEARING 7 ACCEL	Sterling Helicopter	AW109	63	Instruments	PMA
RMHA-000084-110	MAIN GEARBOX LATERAL ACCEL	Sterling Helicopter	AW119	63	Instruments	PMA
RMHA-000084-180	HANGER BEARING ACCEL INTL	Sterling Helicopter	AW119	63	Instruments	PMA