ATA 21 — Air Conditioning

78,383 parts classified under this chapter

Reliability rollup

100%Median scrap propensity

4,868 parts · 17,977 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
20224321	ACTUATOR	—	757-200 767-300+2	21	unknown	OEM
20224323	ACTUATOR	—	767-300 757+1	21	unknown	OEM
20224323NBSP	ACTUATOR	—	767-300	21	unknown	OEM
20224324	DOOR ACTUATOR	Honeywell	757-200 767-200+3	21	Electromechanical	OEM
2022432A	ACTUATOR	Boeing	767-300 767	21	unknown	OEM
2022432U	ACTUATOR	—	767-300	21	Flight Controls	OEM
2022433	ACTUATOR	—	757-200	21	Environmental / Cabin	OEM
2022478-1	alternating current motor	Boeing	757 767	21	Electromechanical
2022478-2	alternating current motor	Boeing	757 767	21	Electromechanical	OEM
20224783	MOTOR	—	767-300 757+1	21	unknown	OEM
20224784	OUTFLOW VALVE	AIRESRCH	757-200 767-200+3	21	Environmental / Cabin	OEM
20224785	CONNECTOR	Honeywell	757-200 767-300+2	21	Consumables / Hardware	OEM
2022478521173881	MOTOR	—	757-200 757	21	unknown	OEM
2022480-1	CABIN PRESSURE OUTFLOW ACTUATOR	—	—	21	Pneumatics
2022480-12	CABIN PRESSURE OUTFLOW ACTUATOR	—	—	21	Pneumatics
2022480-2	VALVE	Honeywell	757 767	21	Environmental / Cabin	OEM
2022480-3	ACTUATOR	Honeywell	757 767	21	Environmental / Cabin	OEM
2022480-4	ACTUATOR	Honeywell	757 767	21	Environmental / Cabin	OEM
2022480-5	Actuator	Honeywell	767-200 757+1	21	Interior / Furnishings	PMA
2022480-8	Actuator	Honeywell	767-200 767-300+2	21	Interior / Furnishings	PMA
202248010	OUTFLOW VALVE	—	757-200 767-200+3	21	unknown	OEM
202248011	CONTROLLER	—	757-200 757+1	21	unknown	OEM
202248013	OUTFLOW VALVE	Boeing	757-200 767-300+2	21	Environmental / Cabin	OEM
202248014	ACTUATOR	Honeywell	757-200 767-300+2	21	unknown	OEM
20224806	ACTUATOR	—	757-200 767-200+3	21	Electromechanical	PMA
20224806U1	OUTFLOW VALVE	—	757-200 767-300	21	Environmental / Cabin	OEM
20224807	OUTFLOW ACT	—	757-200 767-300+2	21	Electromechanical
20224809	ACTUATOR	—	757-200 767-300+2	21	unknown	OEM
20224811	ACTUATOR	—	767-300 767	21	unknown	OEM
2022494-1	ACTUATOR	Honeywell	747 757+1	21	Environmental / Cabin	OEM
2022494-2	ACTUATOR	Honeywell	747 767	21	Environmental / Cabin	OEM
2022494-3	ACTUATOR	Honeywell	747 767	21	Environmental / Cabin	OEM
2022494-4	ACTUATOR	Honeywell	747 767	21	Environmental / Cabin	OEM
2022494-5	Actuator	Honeywell	767-200 767-300+2	21	Interior / Furnishings	PMA
2022494-6	Actuator Outline Electro-Mechanical	Honeywell	747-400 747+2	21	Interior / Furnishings	PMA
2022494-7	ACTUATOR	Honeywell	747 767+1	21	Environmental / Cabin	OEM
2022506-1	MOTOR	Honeywell	757 767	21	Electromechanical	OEM
2022506-2	MOTOR	Honeywell	767	21	Electromechanical	OEM
2022506-3	MOTOR	Honeywell	757 767+1	21	Electromechanical	OEM
2022506-4	MOTOR	Honeywell	757 767+1	21	Electromechanical	OEM
2022506-5	MOTOR	Honeywell	757 767+1	21	Electromechanical	OEM
2022506-6	MOTOR	Honeywell	757 767+1	21	Electromechanical	OEM
2022506-7	MOTOR	Honeywell	757 767+1	21	Electromechanical	OEM
2022506-8	MOTOR	Honeywell	757 767+1	21	Electromechanical	OEM
2022522-1	ACTUATOR	Honeywell	757 767	21	Environmental / Cabin	OEM
2022522-2	Actuator	Honeywell	757-200 757+1	21	Interior / Furnishings	PMA
2022522-3	Actuator	Honeywell	767-200 767-300+2	21	Interior / Furnishings	PMA
2022522-4	ACTUATOR	Honeywell	757 767	21	Environmental / Cabin	OEM
20225225	CONTROL VALVE	—	757-200 767-300+2	21	Hydraulics	OEM
202892	Turbine Wheel	—	King Air 200 727-100+4	21	Environmental / Cabin	OEM