ATA 74 — Ignition

9,682 parts classified under this chapter

Reliability rollup

100%Median scrap propensity

1,005 parts · 3,179 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
53402-02	Champion Cable Assembly	Champion Aerospace Llc	—	74	Engine Accessories	PMA
534750	Gasket	—	—	74	Consumables / Hardware	OEM
534863	Gasket, Magneto and Accessory Drive	—	—	74	Engine Accessories	OEM
534863	Gasket, Magneto and Accessory Drive	—	—	74	Engine Accessories	OEM
534980	Sleeve	—	—	74	Consumables / Hardware	OEM
535011-3	washer mag hold	teledyne continental	—	74	Consumables / Hardware	OEM
53542-1	turbine ignition lead	other	—	74	Engine Accessories	OEM
535847-1	washer mag hold	teledyne continental	—	74	Consumables / Hardware	OEM
536248	Magneto, Ignition, Type S6LN-25	—	—	74	Engine Accessories	OEM
536248	Magneto, Ignition, Type S6LN-25	—	—	74	Engine Accessories	OEM
538999	Bolt, Hex	—	—	74	Engine Accessories	OEM
54831H	PICKUP	—	—	74	unknown
54A35	Spark Plug Assembly	—	—	74	Engine Accessories	OEM
54A35	Spark Plug Assembly	—	—	74	Engine Accessories	OEM
55009-5	Stud	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55009-5007	Stud	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55010	Washer	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55012-6	Stud	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55013-2	Stud	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55013-2003	Stud	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55021	Sleeve	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55029	Bolt, Hex	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55062	Bushing, .50 ID x .562 OD x .55 LG	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55080-1	Screw	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55086	Cover	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55108	Bracket, Rear Freon Compressor	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55112	Seal, Oil	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55126	Bearing, Ball	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55134	Gear Assembly, Scavenge Pump, Driven	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55141	Spacer, Shaft	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55147	Spacer	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55214	Cover Assembly, Scavenge Pump	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55222	Body Assembly, Scavenge Oil and Power Takeoff	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55232-1	Body and Fitting Assembly, Scavenge Pump	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55340	Sheave, Drive	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55344-3	Adapter Assembly, Scavenge Pump and Acc. Drive	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
55345-1	Adapter Assembly, Scavenge Pump and Acc. Drive	Hartzell Engine Technologies LLC	—	74	Engine Accessories	PMA
5611809	—	Pratt & Whitney	A330-200 C-17 Globemaster III+12	74	Engine Accessories
5611828	—	Pratt & Whitney	A330-200 C-17 Globemaster III+12	74	Engine Accessories
56L5C200	WIRE	—	MD 500	74	Electromechanical	OEM
56LSC200	MAGNETO	—	MD 500	74	Engine Accessories	OEM
56RN1225	MAGNETO	—	—	74	unknown
57D38-1	Tube Assembly, Pressurized	—	—	74	Engine Accessories	OEM
57D38-1	Tube Assembly, Pressurized	—	—	74	Engine Accessories	OEM
57D38-2	Tube Assembly, Pressurized	—	—	74	Engine Accessories	OEM
57D38-2	Tube Assembly, Pressurized	—	—	74	Engine Accessories	OEM
57D66	Tube Assembly, Pressurized	—	—	74	Engine Accessories	OEM
57D66	Tube Assembly, Pressurized	—	—	74	Engine Accessories	OEM
58256	Harness	Unison Industries LLC	—	74	Electromechanical	PMA
58269	Harness	Unison Industries LLC	—	74	Electromechanical	PMA