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
3901255-07	UNIT-CONTROL,FUEL	—	—	49	—
3901255-08	UNIT-CONTROL,FUEL	—	—	49	—
3901284-02	SWITCH-IMPENDING BYPASS,FUEL FILTER	—	—	49	—
3901293-03	HARNESS-WIRING, ELECTRICAL	—	—	49	—
3901294-02	SENSOR-SPEED,N2	—	—	49	—
3901305-01	SENSOR-T1	—	—	49	—
3901305-02	SENSOR-T1	—	—	49	—
3901306-01	Data Memory Module	—	A380	49	—	OEM
3901306-01	Data Memory Module	—	A380	49	—	OEM
3901306-02	MODULE-MEMORY,DATA	—	—	49	—
3901396-02	SENSOR-SPEED,N1	—	—	49	—
3901397-02	Transducer, Static Pressure - Load Compressor	—	A380	49	—	OEM
3901398-02	Transducer, Pressure Differential	—	A380	49	—	OEM
3901399-02	SENSOR-TEMPERATURE,OIL	—	—	49	—
3901400-02	Bleed Valve Assy	—	A380	49	—	OEM
3901400-03	VALVE-BLEED	—	—	49	—
3901402-03	Sensor-level, Oil	—	A380	49	—	OEM
3901451-01	SWITCH-PRESSURE,LOW FUEL	—	—	49	—
3901884-01	NOZZLE-FUEL ASSY,DUPLEX	—	—	49	—
3901891-01	NOZZLE-FUEL ASSY,INLET,DUPLEX	—	—	49	—
3901942-01	SENSOR-P1	—	—	49	—
3901943-02	DETECTOR ASSY-CHIP	—	—	49	—
3902319-01	COOLER-OIL	—	—	49	—
3902319-02	Oil Cooler, Air Cooled	—	—	49	unknown	OEM
3902396-01	SENSOR-SPEED,N2	—	—	49	—
3902397-01	NOZZLE-FUEL ASSY,DUPLEX	—	—	49	—
3902402-01	NOZZLE-FUEL ASSY,INLET,DUPLEX	—	—	49	—
3902475-01	SENSOR-T1	—	—	49	—
3902512-01	SENSOR-EGT	—	—	49	—
3902563-01	MANIFOLD ASSY-FUEL,NOZZLE	—	—	49	—
3902712-01	APU	Pratt & Whitney Canada Corp	747	49	—	OEM
3902712-02	APU	Pratt & Whitney Canada Corp	747	49	—	OEM
3910001-01	APU	Pratt & Whitney Canada Corp	747	49	—	OEM
3910001-03	APU	Pratt & Whitney Canada Corp	747	49	—	OEM
391000102	STARTER	—	747-400 747	49	Engine Accessories	OEM
39100013	OIL SYSTEM	—	747-400	49	unknown	OEM
3910022-02	L/C Impeller Ho	—	—	49	Engine Accessories
3910025-01	No 3 Bearing Se	—	—	49	Engine Accessories
3910035-01	Adapter Fuel Me	—	—	49	Engine Accessories
3910036-01	Transfer Tube	—	—	49	Engine Accessories
3910053-01	LEVER	—	—	49	Engine Accessories
3910059-01	Tube Vent No.1	—	—	49	Engine Accessories
3910060-01	No 0 Bearing Ai	—	—	49	Engine Accessories
3910062-01	Shaft Set Stub	—	—	49	Engine Accessories
3910068-01	THERMO COUPLE	—	—	49	Engine Accessories
3910072-01	Tube Transfer	—	—	49	Engine Accessories
3910073-01	Tube Transfer	—	—	49	Engine Accessories
3910083-01	VANE	—	—	49	Engine Accessories
3910124-01	Cover Input Sha	—	—	49	Engine Accessories
3910125-01	Transfer Tube	—	—	49	Engine Accessories