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
3911248-01	Support Bracket	—	—	49	Engine Accessories
3911254-01	Cone Assy. Turb	—	—	49	Engine Accessories
3911257-01	Shield Containm	—	—	49	Engine Accessories
3911258-01	Shield Containm	—	—	49	Engine Accessories
3911260-01	Housing Bearing	—	—	49	Engine Accessories
3911297-01	Plate Reinforci	—	—	49	Engine Accessories
3911319-01	Blanket Segment	—	—	49	Engine Accessories
3911320-01	Blanket Segment	—	—	49	Engine Accessories
3911327-01	Transfer Tube	—	—	49	Engine Accessories
3911333-01	Support Assy El	—	—	49	Engine Accessories
3911339-01	Bracket	—	—	49	Engine Accessories
3911342-01	No 2 Bearing Fl	—	—	49	Engine Accessories
3911344-01	Cover Assy. Oil	—	—	49	Engine Accessories
3911377-01	Front Load Comp	—	—	49	Engine Accessories
3911401-01	DUCT, TURB EXHA	—	—	49	Engine Accessories
391140401B	SENSOR	—	747-400 747	49	unknown
3911429-01	Duct Assy. Exit	—	—	49	Engine Accessories
3911439-01	Heat Shield	—	—	49	Engine Accessories
3911931-01	Carrier Assy. C	—	—	49	Engine Accessories
3911933-01	HOSE	—	—	49	Engine Accessories
3911938-01	No 2 Ball Beari	—	—	49	Engine Accessories
3911943-01	DUCT ASSY R.H.	—	—	49	Engine Accessories
3911945-01	DUCT ASSY	—	—	49	Engine Accessories
3911953-01	SUPPORT BRACKET	—	—	49	Engine Accessories
3911987-01	HARNESS	Pratt & Whitney Canada Corp	747	49	—	OEM
3911987-02	HARNESS	Pratt & Whitney Canada Corp	747	49	—	OEM
3911988-01	HARNESS	Pratt & Whitney Canada Corp	747	49	—	OEM
3911988-02	HARNESS	Pratt & Whitney Canada Corp	747	49	—	OEM
3911992-01	Transfer Tube	—	—	49	Engine Accessories
3912056-01	Bus Bar Positiv	—	—	49	Electromechanical
3912057-01	BUS BAR	—	—	49	Electromechanical
3912063-05	COOLING FAN	—	—	49	Engine Accessories
3912082-01	Housing Pressur	—	—	49	Engine Accessories
3912084-01	Coupling Oil Fi	—	—	49	Engine Accessories
3912150-01	Tube Assembly	—	—	49	Engine Accessories
3912160-01	Shield Containm	—	—	49	Engine Accessories
3912187-01	Flow Divider and Dump Valve	—	—	49	—	OEM
3912187-01	Flow Divider and Dump Valve	—	—	49	—	OEM
3912200-01	Sealing Cover	—	—	49	Engine Accessories
3912203-01	Sealing Cover	—	—	49	Engine Accessories
3912222-01	HOUSING SUPPORT	—	—	49	Engine Accessories
3912232-03	Control, diverter valve	—	—	49	—	OEM
3912232-03	Control, diverter valve	—	—	49	—	OEM
3917259501	FUEL LINE	—	DC-9 DC-9-50	49	Fuel Systems	PMA
39619131	DRAIN MAST	—	MD-88	49	unknown	OEM
397728-1-1	VALVE	Honeywell	747 757+1	49	—	OEM
397728-3-1	Valve Shut off	Honeywell	747-100 747-200+4	49	Pneumatics	PMA
397728-4-1	VALVE	Honeywell	757 767	49	—	OEM
397728-6-1	Shutoff Valve	Honeywell	757-200 757+1	49	Pneumatics	PMA
397728-7-1	VALVE	Honeywell	747 757+1	49	—	OEM