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
1380221-4	VALVE-TRIM AIR	—	A380	21	Pneumatics	OEM
1380222-1	Sensor, Temp, THMS	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380223-1	Sensor, Temp, THMS	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380224-1	VALVE-TRIM AIR	—	—	21	—
1380224-2	VALVE-TRIM AIR	—	—	21	—
1380224-3	VALVE-TRIM AIR	—	—	21	—
1380224-4	VALVE-TRIM AIR	—	A380	21	Pneumatics	OEM
1380224-4	VALVE-TRIM AIR	—	A380	21	Pneumatics	OEM
1380225-1	VALVE-ALTITUDE	—	A380	21	—
1380226-1	3.5 IN CHECK VALVE	Eaton	A380	21	—
1380226-2	3.5 IN CHECK VALVE	Eaton	A380	21	—
1380226-3	Valve, Check	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380229-1	Valve, Pressure Regulating	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380230-2	Venturi, Flow Sensing	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380233-2	Valve, Check	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380239-1	SENSOR-SPEED	—	A380	21	—
1380240-2	DUCT	—	A380	21	—
1380241-1	DUCT	—	A380	21	—
1380242-1	DUCT-INLET	—	A380	21	—
1380243-1	DUCT-WATER EXTRACTOR	—	A380	21	—
1380244-1	TUBE-TRANSFER	—	A380	21	—
1380248-1	DUCT	—	A380	21	—
1380249-1	DUCT	—	A380	21	—
1380260-1	MANIFOLD-COMPRESSOR	—	A380	21	—
1380270-3	Air Generation Unit	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380270-4	AGU-AIR GENERATION UNIT	—	—	21	—
1380270-6	AGU-AIR GENERATION UNIT	—	—	21	—
1380270-7	AIR GENERATION UNIT	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380270-9	AIR GENERATION UNIT	Hamilton Sundstrand	A380	21	Pneumatics	PMA
1380275-1	PLENUM-FAN INLET	—	A380	21	—
1380275-3	Plenum	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380275-4	Plenum	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380276-1	PLENUM-FAN INLET	—	A380	21	—
1380276-3	Plenum	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380276-4	Plenum	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380277-1	PLENUM-HEADER	—	A380	21	—
1380278-1	PLENUM-HEADER	—	A380	21	—
1380280-1	Flow Guidance Device, LH	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1380282-1	Flow Guidance Device, RH	Hamilton Sundstrand	A380	21	Environmental / Cabin	PMA
1384006	ACTUATOR	—	777-200 777	21	unknown	OEM
13850-105	Duct Assembly	Arrowhead Products	—	21	Environmental / Cabin	PMA
13851-103	Duct Assembly	Arrowhead Products	—	21	Environmental / Cabin	PMA
13853-101	Duct Assembly	Arrowhead Products	—	21	Environmental / Cabin	PMA
13854-103	Duct Assembly	Arrowhead Products	—	21	Environmental	PMA
13855-101	Duct Assembly	Arrowhead Products	—	21	Environmental / Cabin	PMA
13856-101	Duct Assembly	Arrowhead Products	—	21	Environmental / Cabin	PMA
13863-101	Duct Assembly	Arrowhead Products	—	21	Environmental / Cabin	PMA
13863352	BEARING	—	727 737	21	unknown
13865-101	Duct Assembly	Arrowhead Products	—	21	Environmental / Cabin	PMA
13866-101	Duct Assembly	Arrowhead Products	—	21	Environmental / Cabin	PMA