ATA 21 — Air Conditioning

83,707 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
08-04957	Side Intake Homebuilders Cabin Heat Box	—	—	21	Environmental / Cabin	unknown
08-04958	All Stainless Steel Tri-Box - Right Box	—	—	21	Environmental / Cabin	unknown
08-07296	2 Inch Diameter Y Tube With Shut-Off Valve	—	—	21	Environmental / Cabin	unknown
08-07303	2-1/2 Inch Y Tube Connector	—	—	21	Environmental / Cabin	unknown
08-07304	T Tube Connector	—	—	21	Environmental / Cabin	unknown
08-07306	Modified Va175 Tube Connector	—	—	21	Environmental / Cabin	unknown
08-14605	C & D Electronic Thermostat	—	—	21	Electromechanical	unknown
08-14606	C & D Rotary Rheostat	—	—	21	Electromechanical	unknown
08-14607	C & D 24VDC Motor	—	—	21	Electromechanical	unknown
08-14608	C & D 12VDC Motor	—	—	21	Electromechanical	unknown
08-14610	C&D 24V Ignition Unit CD21381S	—	—	21	Electromechanical	unknown
08-17717	AWI Transition Valve LW16858	—	—	21	Environmental Control	OEM
08-18405	Acorn 35934-002Awl Carburetor Heat Shroud PA-28-236	—	—	21	Environmental / Cabin
08-19182	A/C Drive Bushing- Rubber Cylinder 1133089-2 - For Cirrus Aircraft	Cirrus Aircraft Parts	—	21	Consumables / Hardware	OEM
08-19183	A/C Drive Grommet- Silicone Ring 1133089-4 - For Cirrus Aircraft	Cirrus Aircraft Parts	—	21	Consumables / Hardware	OEM
08-19232	Aluminum Spacer - A/C Drive Bushings - NAS43DD3-42FC - For Cirrus Aircraft	Cirrus Aircraft Parts	—	21	Consumables / Hardware	OEM
0800400237	FUEL LINE	—	C310	21	Fuel Systems	PMA
0800400239	FUEL LINE	—	C310	21	Fuel Systems	OEM
0805234-001	0805234-0011 plenum cap	airbus helicopters inc american eurocopter	EC135	21	Environmental / Cabin	OEM
0805234-002	1.25" Plenum Cap	Luminator Holding, LP	EC135	21	Plenum	PMA
08076-30M704	plenum	sikorsky aircraft corporation	—	21	Structures	OEM
08076-30M705	plenum	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
08076A21T600	duct	sikorsky aircraft corporation	—	21	Structures	OEM
08076B10B100	air seal	sikorsky aircraft corporation	—	21	Consumables / Hardware	OEM
08145521	COVER	—	C310	21	unknown
0821	Marker-"Cooling Intake Fan Compt"	Aero Decals Inc	DC-8	21	Consumables / Hardware	PMA
0834CCB	Annunciator-"R Air Cond Supply Temp Hi"	Aero Decals Inc	DC-9 MD-80+1	21	Consumables / Hardware	PMA
08365-16B109	ac plennum	Eurocopter	—	21	Environmental / Cabin	OEM
08465-0061-0001	Installation Provisions Kit, CDSS	Rosemount Aerospace	747-400	21	Instruments	PMA
085266-00	receiver- drier	airbus helicopters inc american eurocopter	—	21	Environmental / Cabin	OEM
0854CCB	Annunciator-"L Air Cond Supply Temp Hi"	Aero Decals Inc	DC-9 MD-80+1	21	Consumables / Hardware	PMA
0857372	Receiver/Dryer Assembly	Premier Aircraft Service	—	21	Pneumatics	PMA
0891107-5 (Green Tint)	Foul weather window	—	C310	21	—	OEM
0891107-5 (Green Tint)	Foul weather window	—	C310	21	—	OEM
090004	PRESSURE SWITCH	—	AS350 Ecureuil H125	21	unknown	OEM
09012	FAN	—	—	21	unknown	OEM
090161	RECEIVER DRIER	—	—	21	Environmental / Cabin
09040022	FAN BLADE	Cessna	C425 Corsair	21	Environmental / Cabin	OEM
09076-20A800	return air duct	sikorsky aircraft corporation	S-76	21	Environmental / Cabin	OEM
09076-21C301	cockpit heat plenum intake	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
09076-21C302	lower sidewall cabin cockpit plenum	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
09092-20K607	grill plate	sikorsky aircraft corporation	—	21	Structures	OEM
09092-45K100	flex duct connector	sikorsky aircraft corporation	—	21	Pneumatics	OEM
09092A45E200	a c duct	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
09092A50E331	heat vent modification	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
09111	BLOWER	—	AS350 Ecureuil H125	21	unknown	OEM
094110112	BRUSHES	—	AS350 Ecureuil H125	21	Electromechanical	PMA
0945	DUCT	CNDAIR	CRJ-200	21	Pneumatics
0948VBW	Marker-"M56 Blower Equip Cooling"	Aero Decals Inc	707 727+1	21	Consumables / Hardware	PMA
095310002	MODULE	—	777-200	21	unknown	OEM