ATA 49 — Airborne Auxiliary Power

4,935 parts classified under this chapter

Reliability rollup

100%Median scrap propensity

1,535 parts · 5,937 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
499001341	APU	—	MD-88	49	Engine Accessories	PMA
499201431	OIL CAP	—	MD-88	49	unknown	OEM
499701338	PRESSURE SWITCH	—	MD-88	49	unknown	OEM
4AS6900010-501	APU, GTCP	Gulfstream Aerospace LP	—	49	Engine Accessories	PMA
4AS6900181-001	APU Inlet Door	Gulfstream Aerospace Corporation	—	49	Engine Accessories	PMA
4AS6900620501	DUCT	—	—	49	Pneumatics	OEM
4AS7821013-501	APU Duct Assembly	Gulfstream Aerospace LP	—	49	Environmental / Cabin	PMA
4AS8311000-107	Starter-Generator, APU	Gulfstream Aerospace LP	—	49	Engine Accessories	PMA
4AS8840006-001	APU Oil Probe	Gulfstream Aerospace LP	—	49	Powerplant	PMA
501-1-08436	APU ENGINE STARTER	Eaton	L-1011 TriStar	49	—
501-1-08554	APU ENGINE STARTER	Eaton	L-1011 TriStar	49	—
503-1-06390-000	SPEED SENSING TACHOGENERATOR	Eaton	L-1011 TriStar	49	—
507263812761	APU	—	MD-88	49	unknown	OEM
51090360001	CONVERTER	—	737-900 737	49	Electromechanical	OEM
51895411	MOTOR	—	—	49	unknown	OEM
5189588	STARTER	Honeywell	767-300 767	49	Electromechanical	OEM
519588	STARTER	Honeywell	767-300 767	49	Electromechanical	OEM
519802-2	direct current motor	Boeing	747	49	—
519802-3	direct current motor	Boeing	747	49	Electromechanical	OEM
519802-4	direct current motor	Boeing	747-100 747-200+1	49	Electromechanical	OEM
519802-5	direct current motor	Boeing	747-200 747	49	Electromechanical
519802-6	direct current motor	Boeing	747	49	Electromechanical	OEM
519804-10	MOTOR-APU STARTER	—	A300	49	—
519804-5	MOTOR ENGINE STARTER	—	—	49	—
519804-9	MOTOR ENGINE STARTER	—	—	49	—
519806-1	Motor	Honeywell	747-100 747-200+2	49	Interior / Furnishings	PMA
519806-2	MOTOR	Honeywell	747	49	—	OEM
519806-3	Motor	Honeywell	747-100 747-200+2	49	Interior / Furnishings	PMA
5198388	STARTER	Boeing	767-300 767	49	Electromechanical	OEM
519852-2	MOTOR-APU STARTER	—	A300	49	—
519852-4	MOTOR-APU STARTER	—	—	49	—
5198523	STARTER	—	767-300	49	unknown
519858	STARTER	—	767-200	49	unknown
519858-1	MOTOR	Honeywell	767	49	—	OEM
519858-2	engine starter motor	Boeing	757 767	49	Engine Accessories	OEM
519858-3	engine starter motor	Boeing	757 767	49	Engine Accessories
519858-4	Motor Starter	Honeywell	757 767	49	Avionics / Electronics	PMA
519858-5	MOTOR	Honeywell	757 767	49	—	OEM
5198586	STARTER	Honeywell	757-200 767-200+3	49	Engine Accessories	OEM
5198587	GENERATOR	Honeywell	757-200 757-300+4	49	Electromechanical	OEM
5198588	PRESSURE SWITCH	Honeywell	737-300 757-200+6	49	Instruments
5198598	STARTER	—	767-300	49	Engine Accessories	OEM
51988586	STARTER	Boeing	767-300	49	Engine Accessories	OEM
51989261	STARTER	—	BAe 146 Gulfstream GIV	49	Engine Accessories	PMA
51989262	STARTER	HNYWL	—	49	Electromechanical	OEM
52-9048-01	LINK	—	—	49	—
520-1-1100-01	ACTUATOR - AIR INTAKE FLAP, APU	—	—	49	—
521141	INDICATOR-APU EXHAUST GASTEMPERATURE	—	—	49	—
521142	INDICATOR-APU N1 TACHOMETER	—	—	49	—
521143	INDICATOR-APU N2 TACHOMETER	—	—	49	—