ATA 21 — Air Conditioning

83,755 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
1379211L401	COLD AIR UNIT	—	Jetstream 31	21	Environmental / Cabin
1379211L403	ACU	—	Jetstream 31 Jetstream 41	21	Environmental / Cabin	OEM
1379219L401	DUCT	—	Jetstream 31	21	unknown	OEM
1379221L401	AIR DUCT	—	Jetstream 31	21	Pneumatics
1379239L402	DUCT	—	Jetstream 31	21	Environmental / Cabin	OEM
13792471	DUCT	—	Jetstream 31	21	Consumables / Hardware	PMA
1379258L403	Y-DUCT	—	Jetstream 31	21	Consumables / Hardware	PMA
137925FL419	DUCT	—	Jetstream 31	21	Consumables / Hardware	PMA
1379284L403	VALVE	—	Jetstream 31	21	unknown	OEM
13795-525	Duct, Flex	Arrowhead Products	C310	21	Pneumatics	PMA
13796-521	Duct, Flex	Arrowhead Products	C310	21	Pneumatics	PMA
13797-527	Duct, Flex	Arrowhead Products	C310	21	Pneumatics	PMA
1380100-10	CD-R - A380 FDAC CONTROLLER SOFTWARE	—	—	21	Pneumatics	OEM
1380101-6	CD-R - A380 TADD CONTROLLER SOFTWARE	—	—	21	Pneumatics	OEM
1380155-1	ACTUATOR-ROTARY	—	A380	21	—
1380155-2	ACTUATOR-ROTARY	—	A380	21	—
1380155-3	ACTUATOR-ROTARY	—	—	21	—
1380162-1	ACTUATOR	—	A380	21	—
1380162-2	ACTUATOR	—	—	21	—
1380162-3	ACTUATOR	—	—	21	—
1380162-4	ACTUATOR	—	—	21	—
1380200-10	CONTROLLER-AGU, FULL DIGITAL	Hamilton Sundstrand	A380	21	Avionics	PMA
1380200-5	Controller Full Digital AGU (FDAC)	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380200-8	CONTROLLER-AGU,FULL DIGITAL	—	—	21	—
1380201-1	HARNESS-WIRING	—	A380	21	—
1380201-2	Harness - Wiring	Hamilton Sundstrand	A380	21	Interior / Furnishings	PMA
1380202-4	Controller Assy	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380202-8	DEVICE-DRIVING,TRIM AIR	—	—	21	—
1380203-2	Actuator, Ram Air Inlet	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380204-1	Valve, Flow Control	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380205-1	VALVE-BYPASS	—	A380	21	—
1380206-1	ACTUATOR-RAM AIR OUTLET	—	—	21	—
1380206-2	ACTUATOR-RAM AIR OUTLET	—	—	21	—
1380207-1	EXCHANGER-HEAT	—	A380	21	—
1380208-1	EXCHANGER-HEAT	—	A380	21	—
1380209-1	MACHINE-AIR CYCLE	—	A380	21	—
1380209-2	MACHINE-AIR CYCLE	—	A380	21	—
1380209-3	MACHINE-AIR CYCLE	—	—	21	—
1380210-1	CONDENSER	—	A380	21	—
1380212-1	DUCT-WATER EXTRACTOR	—	A380	21	—
1380213-2	NOZZLE-SPRAY,AIR GENERATION UNIT	—	A380	21	—
1380214-1	VALVE-BYPASS	—	A380	21	—
1380214-2	VALVE-BYPASS	—	—	21	—
1380214-3	VALVE-BYPASS	—	—	21	—
1380216-2	5IN CHECK VALVE	Eaton	A380	21	—
1380217-2	VALVE-ISOLATION	—	A380	21	—
1380217-3	VALVE-ISOLATION	—	—	21	—
1380221-2	Valve, Trim Air	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380221-3	VALVE-TRIM AIR	—	—	21	—
1380221-4	VALVE-TRIM AIR	—	A380	21	Pneumatics	OEM