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
41320041	VALVE	Honeywell	A320 A321+1	49	unknown	OEM
41320332	SWITCH	—	777-200	49	Electromechanical	OEM
4132034-1	TRNSDCR	Honeywell	767 777	49	—	OEM
41320941	BYPASS VALVE	—	737-900	49	unknown	OEM
41321571	SEAL	Honeywell	A319 A319-100+1	49	unknown	OEM
41321591	HOUSING	—	737-800 737	49	unknown	OEM
41322021	FILTER	—	737-900 737	49	unknown	OEM
41410283	SOLENOID VALVE	Honeywell	A318 A319+8	49	Electromechanical	OEM
41410284	VALVE	Honeywell	CRJ-700	49	unknown	unknown
417-1477	Cap and Adapter Assembly	Parker Hannifin	737-300 737-500+2	49	unknown	PMA
417-584	Cap & Adapter	Parker Hannifin	737	49	Consumables / Hardware	PMA
41734220	ECU	—	767-300 767	49	Fuel Systems	OEM
41S62651	TRANSDUCER	—	767-300 767	49	unknown
42044A6888	VALVE	—	A300	49	unknown	OEM
427CK1	BATTERY	—	Global Express	49	Electromechanical	OEM
4308AG	Clamp, APU Bleed Valve	National Utilities Company/NUCO	737-300 C402+1	49	Consumables / Hardware	PMA
4311100	ACTUATOR	—	A320 A320-200	49	unknown	OEM
43296	O-RING	—	767-300	49	Consumables / Hardware	OEM
4329AA	V-Band Clamp 747 APU Bleed Air Duct Joint	National Utilities Company/NUCO	King Air 200 747-100+1	49	Consumables / Hardware	PMA
434310900010	APU	—	A330-200	49	unknown	OEM
434897	MULTISPEED SW	GARRTT	—	49	Electromechanical	OEM
43491090010	APU	—	A330-200	49	unknown	OEM
4353919M	EXHAUST CLAMP	—	727-200	49	Consumables / Hardware	OEM
44-9387-01	HOUSING-FWD	—	—	49	—
44-9388-01	HOUSING RH,AFT	—	—	49	—
44-9389-01	HOUSING LH,AFT	—	—	49	—
441761-7	CLUSTER ASSY-FUEL	—	—	49	—
4417614	IGNITION SYS	—	777-200	49	unknown	OEM
4417616	FUEL CLUSTER	—	777-200	49	Fuel Systems	PMA
441761ISS10	CLUSTER	Honeywell	777	49	—	OEM
441761ISS6	CLUSTER	Honeywell	777	49	—	OEM
441761ISS7	CLUSTER	Honeywell	777	49	—	OEM
441761ISS8	CLUSTER	Honeywell	777	49	—	OEM
441761ISS9	CLUSTER	Honeywell	777	49	—	OEM
441784-4	EHSV	Honeywell	777	49	—	OEM
441784-5	EHSV	Honeywell	777	49	—	OEM
441784-6	EHSV	Honeywell	777	49	—	OEM
441921	FCU	HNYWL	A321 737	49	Fuel Systems	OEM
4419214	FUEL CONTROL	Honeywell	737-700 737-800+10	49	Fuel Systems	OEM
4419215	FUEL CONTROL	Honeywell	737-700 A319+4	49	Fuel Systems	OEM
441921ISS10	APU FC	Honeywell	737	49	—	OEM
441921ISS7	APU FC	Honeywell	737	49	—	OEM
441921ISS8	APU FC	Honeywell	737	49	—	OEM
441921ISS9	APU FC	Honeywell	737	49	—	OEM
442056	CNTRL	Honeywell	757 767	49	—	OEM
4440000-1	LUBECLU	Honeywell	777	49	—	OEM
4492036	EXCITER	—	757-200	49	unknown
4500001	APU-AUXILIARY POWER UNIT	—	—	49	—
4500001A	APU	—	A320 A320-200	49	unknown	OEM
4500001B	CIRCUIT CARD	HAMSTD	747-400 A319+2	49	Avionics / Electronics