ATA 49 — Airborne Auxiliary Power

5,411 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
WA620304019	FIREWALL	BOMBDR	CRJ-700	49	Structures	OEM
WA67030007	EXHAUST DUCT	—	CRJ-900	49	Engine Accessories	OEM
WA670304019	BULKHEAD	BOMBDR	CRJ-900	49	Structures	OEM
WB38106672	HOUSING	HNYWL	—	49	unknown	OEM
WE38007702	APU	Honeywell	CRJ-700	49	Engine Accessories	OEM
WE38007703	APU	Honeywell	CRJ-700 CRJ-900	49	Engine Accessories
WE38304862	FUEL NOZZLE	—	CRJ-700	49	Engine Accessories	PMA
WE3830513	FUEL NOZZLE	RROYCE	CRJ-900	49	Fuel Systems	OEM
WE38305131	NOZZLE	—	CRJ-700	49	unknown	OEM
WE38762931	SWITCH	Honeywell	CRJ-700	49	Electromechanical
WE388007703	APU	Honeywell	CRJ-700	49	Engine Accessories	OEM
WE38817671	FILTER	—	CRJ-700 Challenger 604	49	unknown	OEM
WE38838911	MANIFOLD	HNYWL	Gulfstream GV	49	unknown	OEM
WE38884391	IGNITER	—	737-800 737	49	unknown	OEM
WE8007712	APU	Honeywell	CRJ-700	49	Engine Accessories	OEM
WF336540	FILTER	—	ERJ-135 ERJ-145	49	unknown	OEM
YAAT006	SENSOR	—	737-800	49	unknown	OEM