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
182-0100-7	Air Conditioning System Kit	Meggitt Addison Inc (formerly Keith Products LP)	C182 Skylane	21	Environmental / Cabin	PMA
182-0100-8	Air Conditioning System Kit	Meggitt Addison Inc (formerly Keith Products LP)	C182 Skylane	21	Environmental / Cabin	PMA
1822-523267	Cabin Temperature Indicator	AMETEK Aerospace	C340	21	Instruments	PMA
182350-3	Water Separator	Honeywell	—	21	Environmental / Cabin	PMA
1823505	WATER SEPARATOR	—	—	21	unknown
1823A0000-01	MACHINE-AIR CYCLE	—	—	21	Environmental / Cabin
182400	Precooler Heat Exchanger	Limco-Airepair Inc. d/b/a Airepair International	737-200	21	Environmental / Cabin	PMA
18240011	SKIN	Boeing	737-700 767-400+3	21	Structures
1825-520416	Compartment Duct Inlet Temp Ind	AMETEK Aerospace	—	21	Instruments	PMA
182556	Packing, Preformed	—	—	21	Consumables / Hardware	OEM
182560	Packing, Preformed	—	—	21	Consumables / Hardware	OEM
182566-001	FANVALVE	GE Aviation	777 787	21	Pneumatics	OEM
182578	Packing, Preformed	—	—	21	Consumables / Hardware	OEM
182580	Packing, Preformed	—	—	21	Consumables / Hardware	OEM
182582	Packing, Preformed	—	—	21	Consumables / Hardware	OEM
182593	Packing, Preformed	—	—	21	Consumables / Hardware	OEM
182597-001	Network Switch - CCS	GE Aviation Systems LLC	787-8 777+1	21	Environmental / Cabin	PMA
182754	Packing, Preformed	—	—	21	Consumables / Hardware	OEM
18279018	ACM	HAMSTD	Dash 8-400 Dash 8	21	Environmental / Cabin	OEM
182820	Heat Exchanger	Limco-Airepair Inc.	737-100	21	Environmental / Cabin	PMA
182820-1-1	650Air to Air Heat Exchanger Assy	—	737-300 737-100+2	21	Environmental / Cabin	OEM
182820-2 Series 1	Air to Air Heat Exchanger Assy	—	737-300 737-100+1	21	Environmental / Cabin	OEM
182820-2 SERIES 1 182820-2 SERIES 2	B-737 AIR-TO-AIR HEAT EXCHANGER	—	King Air 200 King Air 300	21	Pneumatics	OEM
182820-2 Series 2	Air Heat Exchanger	—	737-300 737-100+1	21	Environmental / Cabin	OEM
182820-2 Series 2	Air Heat Exchanger	—	737-300 737-100+1	21	Environmental / Cabin	OEM
182820-4	EXCHANGER	Honeywell	737	21	Environmental / Cabin	OEM
1828201	HEAT EXCHANGER	—	737-300 737-200	21	unknown
1828202	HEAT EXCHANGER	—	737-300 737-400+4	21	Environmental / Cabin	unknown
1828203	HEAT EXCHANGER	Honeywell	737-300 737-400+5	21	Environmental / Cabin
182828	Packing, Preformed	—	—	21	Consumables / Hardware	OEM
1828M21G01 9C	tube air turbine center frame clg	ge engine services dist llc	—	21	Structures	OEM
183010-1-1	Water Separator	Honeywell	737-100 737-200+1	21	Interior / Furnishings	PMA
183010-2	Water Separator	Honeywell	737-100 737-200+1	21	Interior / Furnishings	PMA
1830103	SEPARATOR	—	737-200 737+1	21	Environmental / Cabin	PMA
1830104	WATER SEPARATOR	—	737-300 737-400+6	21	Environmental / Cabin	PMA
183680-4	Exchanger Outline Heat, Precooler	Honeywell	—	21	Environmental / Cabin	PMA
183690-2-2	Primary Heat Exchanger	Honeywell	—	21	Environmental / Cabin	PMA
18369021	FLANGE	—	—	21	unknown
183746-005	FAN	TECHNOFAN	787	21	Pneumatics	OEM
18380	Fan Assy. Vaneaxial	Hamilton Sundstrand	—	21	Electromechanical	PMA
18380-1	Fan Assembly Vaneaxial	Hamilton Sundstrand Power System	—	21	Environmental / Cabin	PMA
183820-1-2	Secondary Heat Exchanger	Honeywell	—	21	Environmental / Cabin	PMA
18391021	WATER SEPARATOR	—	—	21	unknown	OEM
184060	Secondary Air Conditioning Heat Exchanger	Limco-Airepair Inc. d/b/a Airepair International	DC-9	21	Environmental / Cabin	PMA
18406032	HEAT EXCHANGERS	Honeywell	DC-9 MD-82+1	21	Environmental / Cabin	OEM
184360	Air Conditioning Heat Exchanger	Limco-Airepair Inc. d/b/a Airepair International	—	21	Environmental / Cabin	PMA
1843601	HEAT EXCHANGERS	—	727-200 727+1	21	Environmental / Cabin	OEM
184380	Air Conditioning Heat Exchanger	Limco-Airepair Inc. d/b/a Airepair International	727-200	21	Environmental / Cabin	PMA
1843801	HEAT EXCHANGER	—	727-200 727+1	21	Environmental / Cabin	OEM
1849M99G01	duct	other	—	21	Environmental / Cabin	OEM