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
118-381001-5	Heated Vent Tube	—	1900D	21	Environmental / Cabin	OEM
118-910033-69	duct assem	other	—	21	Environmental / Cabin	OEM
11812440045002	ORIFICE	—	757-200	21	unknown	OEM
1183800043	SOLENOID VALVE	—	1900D	21	Electromechanical	OEM
1190-101	Gasper Flight Station	B/E Aerospace Inc	—	21	Environmental / Cabin	PMA
1190-103	Gasper Flight Station	B/E Aerospace Inc	—	21	Environmental / Cabin	PMA
1190A	VALVE	—	767-300	21	unknown
1191353	evaporate equip	airbus helicopters inc american eurocopter	—	21	Environmental / Cabin	OEM
11913531	equip evaporate	Eurocopter	—	21	Environmental / Cabin	OEM
11913532	evaporate equip	airbus helicopters inc american eurocopter	—	21	Environmental / Cabin	OEM
11925	FLOW SENSOR	—	747-400 747	21	Instruments	OEM
1194P005005	SWITCH	—	717-200 DC-10	21	Electromechanical	PMA
11A15122	DOUBLER	—	737-700	21	Structures	OEM
11C30	IGNITION UNIT	—	King Air 90	21	unknown
11DL673-178-201	Cabin Environmental Control System (ECS) Duct Modification Kit	AAR Aircraft Services Inc.	767-300	21	Pneumatics	PMA
11DL673-180-301	Business Class (B/C) Right Hand (RH) Gasper Relocation Installation Kit	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11DL673-181-301	767-300L Business Class (BC) Right Hand Gasper Relocation and Installation	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11DL673-185-205	Mid Cabin Gasper and Vent Modification Kit	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11DL673-187-201	Forward (FWD) Cabin Gasper Modification Kit	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11DL676-015-301	Grille Assembly Instl Kit	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11DL676-015-303	Grille Assembly Instl Kit	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11DL676-178-205	Section 41 & 43 Cabin ECS Duct Mod Kit	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11DL676-185-205	Mid Cabin Gasper/vent Mod Kit	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11DL676-187-201	FWD Cabin Gasper & Vent Mod Kit	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11DL676-198-201	Sect 46 Cabin ECS/Vent Ducts Mod Kit	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11DL676-198-203	Sect 46 Cabin ECS/Vent Ducts Mod Kit	AAR Aircraft Services Inc.	767-300	21	Environmental / Cabin	PMA
11J18641	CONTROLLER	Honeywell	767-300 767	21	Avionics / Electronics	OEM
11M1030	BELT	—	PA-32 Saratoga PA-32 Cherokee Six	21	unknown
12-21061-000	Heater Blanket	Honeywell	—	21	Electromechanical	PMA
12-2823-117	Floor Heater Blanket	Honeywell	—	21	Electromechanical	PMA
12-2823-119	Floor Heater Blanket	Honeywell	—	21	Electromechanical	PMA
12-2823-121	Floor Heater Blanket	Honeywell	—	21	Electromechanical	PMA
12-2823-123	Floor Heater Blanket	Honeywell	—	21	Electromechanical	PMA
12-2823-125	Floor Heater Blanket	Honeywell	—	21	Electromechanical	PMA
12-2823-129	Floor Heater Blanket	Honeywell	—	21	Electromechanical	PMA
12-2823-131	Floor Heater Blanket	Honeywell	—	21	Electromechanical	PMA
12-2823-135	Floor Heater Blanket	Honeywell	—	21	Electromechanical	PMA
12-3287-115	Heater Blanket	Honeywell	—	21	Electromechanical	PMA
12-810102-1, -3, -4, -5	Thermal Insulation Blanket	Thermal Structures Inc	—	21	Structures	PMA
120-0250-1	evaporator assy	airbus helicopters inc american eurocopter	—	21	Environmental / Cabin	OEM
120-0252-1	evaporateur equipe	airbus helicopters inc american eurocopter	H120	21	Environmental / Cabin	OEM
120-0261-1	Blower Assembly	Air Comm Corporation	H120	21	Environmental / Cabin	PMA
120-0350-1	condensor assy	Eurocopter	H120	21	Environmental / Cabin	OEM
120-0450-1	120-0450-1compressor assembly	airbus helicopters inc american eurocopter	H120	21	Environmental / Cabin	OEM
120-0850-2	prt ofkit120-0850-1 z cmprssr2cndn	airbus helicopters inc american eurocopter	—	21	Environmental / Cabin	OEM
120-0850-3	hose o filter to condenser-par	airbus helicopters inc american eurocopter	—	21	Environmental / Cabin	OEM
120-0850-4	evapor hose part of kit 120-0850	airbus helicopters inc american eurocopter	—	21	Environmental / Cabin	OEM
120-0850-5	hose y compressor to evaporater	airbus helicopters inc american eurocopter	—	21	Environmental / Cabin	OEM
12002601	BLOWER	—	H120	21	unknown	OEM
1200FF-1C1-02	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA