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
654708	spark plugs	teledyne continental	—	74	Engine Accessories	OEM
654742-2	sleeve-insulation	teledyne continental	—	74	Consumables / Hardware	OEM
654818	Cover Assembly, Scavenge Pump	—	—	74	Engine Accessories	OEM
655367	Magneto	—	—	74	Engine Accessories	OEM
655367	Magneto	—	—	74	Engine Accessories	OEM
655368	Magneto	—	—	74	Engine Accessories	OEM
655368	Magneto	—	—	74	Engine Accessories	OEM
655715A4	Body Assembly, Scavenge Oil and Power Takeoff	—	—	74	Engine Accessories	OEM
655845	GEAR	CONT	—	74	Engine Accessories	OEM
655937	Harness	—	—	74	Engine Accessories	OEM
655937	Harness	—	—	74	Engine Accessories	OEM
656070	battery-back-up	teledyne continental	—	74	Electromechanical	OEM
656151-1A1	fuel man vlv assy w-fit	teledyne continental	—	74	Electromechanical	OEM
656825	brkt-supp-f-i coil wire	teledyne continental	—	74	Consumables / Hardware	OEM
658443-1	Body and Fitting Assembly, Scavenge Pump	—	—	74	Engine Accessories	OEM
65B28132-10	—	Boeing	747	74	Engine Accessories	OEM
65B28132-14	—	Boeing	747	74	Engine Accessories	OEM
65B46020-1	—	Boeing	747	74	Engine Accessories	OEM
65B46020-6	—	Boeing	747	74	Engine Accessories	OEM
65B46220-1	—	Boeing	747	74	Engine Accessories	OEM
65B46220-5	—	Boeing	747	74	Engine Accessories	OEM
65C08	Kit, Coil Insulator	—	Bell 206 King Air 90+1	74	Engine Accessories	OEM
65C08	Kit, Coil Insulator	—	Bell 206 King Air 90+1	74	Engine Accessories	OEM
65C65	Coil, Ignition	—	PA-34 Seneca PA-44 Seminole	74	Engine Accessories	OEM
65C65	Coil, Ignition	—	PA-34 Seneca PA-44 Seminole	74	Engine Accessories	OEM
66037 Dwg. Rev. A Bill of Material PL 66037 Rev. A	Cable	Unison Industries LLC	—	74	Electromechanical	PMA
66038 Dwg. Rev. B Bill of Material PL 66038 Rev. B	Cable	Unison Industries LLC	—	74	Electromechanical	PMA
662	MAGNETO	—	C182 Skylane C206 Stationair	74	Engine Accessories	PMA
66430 Dwg. Rev. J Bill of Material PL 66430 Rev. E	Lead	Unison Industries LLC	—	74	Engine Accessories	PMA
66493-1 Dwg. Rev. N Bill of Material PL 66493-1 Rev. L	Lead	Unison Industries LLC	—	74	Engine Accessories	PMA
66493-2 Dwg. Rev. N Bill of Material PL 66493-2 Rev. L	Lead	Unison Industries LLC	—	74	Engine Accessories	PMA
66493-3 Dwg. Rev. N Bill of Material PL 66493-3 Rev. L	Lead	Unison Industries LLC	—	74	Engine Accessories	PMA
66615 Dwg. Rev. B Bill of Material PL 66615 Rev. B	Cable	Unison Industries LLC	—	74	Electromechanical	PMA
66650	Cable	Unison Industries LLC	—	74	Engine Accessories	PMA
66946	Lead and conduit assembly, electric	Unison Industries LLC	—	74	Engine Accessories	PMA
66B21772	Magneto, Ignition, Type S4LSC-200	—	—	74	Engine Accessories	OEM
66B21772	Magneto, Ignition, Type S4LSC-200	—	—	74	Engine Accessories	OEM
66B21779	Magneto, Ignition, Type S4LSC-204T	—	—	74	Engine Accessories	OEM
66B21779	Magneto, Ignition, Type S4LSC-204T	—	—	74	Engine Accessories	OEM
66B21782	Magneto, Ignition, Type S6RSC-204	—	—	74	Engine Accessories	OEM
66B21782	Magneto, Ignition, Type S6RSC-204	—	—	74	Engine Accessories	OEM
66B21784	Magneto, Ignition, Type S6LSC-200	—	—	74	Engine Accessories	OEM
66B21784	Magneto, Ignition, Type S6LSC-200	—	—	74	Engine Accessories	OEM
66D25	Tube Assembly, Pressurized	—	—	74	Engine Accessories	OEM
66D25	Tube Assembly, Pressurized	—	—	74	Engine Accessories	OEM
66DC20SFNN	Magneto, Ignition, Type S4LN-21	—	—	74	Engine Accessories	OEM
66DC20SFNN	Magneto, Ignition, Type S4LN-21	—	—	74	Engine Accessories	OEM
66DC25SFNN	Magneto, Ignition, Type S4LN-21	—	—	74	Engine Accessories	OEM
66DC25SFNN	Magneto, Ignition, Type S4LN-21	—	—	74	Engine Accessories	OEM
66E21550	Magneto, Ignition, Type D6LN-3200	—	—	74	Engine Accessories	OEM