ATA 21 — Air Conditioning

83,278 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
01LB2180-KIT	Recore kit for the recore of PN 7553355-4, -8 and -9	Lori Inc	CRJ-200	21	Environmental / Cabin	PMA
01LB2182-KIT	Recore kit for the recore of PN 810208-2, -4, -5, -6, -7, -102, -104 and -105	Lori Inc	777-200 777-300	21	Environmental / Cabin	PMA
02076-10V021	cabin ceiling duct assembly heat ve...	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
02076-10V023	cabin ceiling duct build up heat ve...	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
02076-10V024	duct assembly	sikorsky aircraft corporation	—	21	Structures	OEM
02076-10V025	cabin duct mod right hoist pop out ...	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
02076-10V071	cabin ceiling duct assembly heat an...	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
02076-10V073	cabin ceiling duct build up heat an...	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
02076-10V204	duct knob	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
02076-10V207	duct supply modification	sikorsky aircraft corporation	—	21	Environmental / Cabin	OEM
02076-20V100	gasper plenum	sikorsky aircraft corporation	—	21	Environmental / Cabin	unknown
02076-20V101	gasper plenum	sikorsky aircraft corporation	—	21	Environmental / Cabin	unknown
02076-20V102	gasper mounting plate	sikorsky aircraft corporation	S-76	21	Environmental / Cabin	OEM
022085	Fan-Vaneaxial	Ametek Rotron	MD-81 MD-88+1	21	Environmental / Cabin	PMA
024109	Fan	Ametek Rotron	MD-81 MD-90	21	Environmental / Cabin	PMA
024116	FAN	—	737-700 737-800+7	21	unknown	OEM
024300	Fan	Ametek Rotron	747-300 747	21	Environmental / Cabin	PMA
026948	fan cabin sensor	israel aerospace industries ltd	—	21	Instruments	OEM
026952	FAN, CABIN SENSOR	Ametek Rotron	—	21	Environmental / Cabin	PMA
026955	DPU Fan	Ametek Rotron	—	21	Electromechanical	PMA
026963000	Fan	Ametek Rotron	—	21	Fan	PMA
026964	FAN	—	King Air 300	21	unknown	OEM
026973	FAN	—	737-700 Embraer EMB-120 Brasilia	21	Environmental / Cabin	OEM
026973 & BM 026973 Rev. B (7/5/95)	Fan	Ametek Rotron	—	21	Electromechanical	PMA
026977	COOLING FAN	—	Dash 8-400 Dash 8	21	unknown	OEM
026977718ZH	FAN	—	Dash 8-400 Dash 8	21	unknown	OEM
026989	MPU Fan	Ametek Rotron	—	21	Electromechanical	PMA
02734212	Rear Bulkhead Blanket	Sierra Nevada Corporation / Integrated Mission Systems	King Air 300	21	Structures	PMA
0298	VALVE	—	A320 A320-200	21	unknown
02E17-1	heater	other	—	21	Environmental / Cabin	OEM
02E17-2	Heater	—	C340	21	—	OEM
02E17-2	Heater	—	C340	21	—	OEM
03076-20L400	aircom line doubler	sikorsky aircraft corporation	—	21	Structures	OEM
03076-32L101	avionics cooling fan doublers	sikorsky aircraft corporation	—	21	Structures	OEM
03085MG0076	hose ventilation	airbus helicopters inc american eurocopter	—	21	Environmental / Cabin	OEM
03091032	CONNECTOR	—	EC135	21	unknown	OEM
0309202203091022	CONNECTOR	—	Bell 206 Bell 407+1	21	unknown	OEM
03092032	ELEC CONNECTOR	—	Bell 206 Bell 206L LongRanger	21	unknown	OEM
031048	COOLING FAN	—	Falcon 2000	21	unknown	OEM
03107-50A100	Reducing Elbow Modification	Keystone Helicopter Corporation	—	21	Environmental / Cabin	PMA
03107-50A101	Ventilation Elbow	Keystone Helicopter Corporation	—	21	Environmental / Cabin	PMA
03107-50A102	Ventilation Stack	Keystone Helicopter Corporation	—	21	Environmental / Cabin	PMA
03107-50A103	Ventilation Adapter	Keystone Helicopter Corporation	—	21	Environmental / Cabin	PMA
03107-50A104	Ceiling Ventilation Duct 1	Keystone Helicopter Corporation	—	21	Environmental / Cabin	PMA
03107-50A105	Ceiling Ventilation Duct 2	Keystone Helicopter Corporation	—	21	Environmental / Cabin	PMA
03107-50A106	Ceiling Ventilation Duct 3	Keystone Helicopter Corporation	—	21	Environmental / Cabin	PMA
03107-50A109	Ceiling Ventilation Duct 4	Keystone Helicopter Corporation	—	21	Environmental / Cabin	PMA
03107-50A110	Ceiling Ventilation End Cap	Keystone Helicopter Corporation	—	21	Environmental / Cabin	PMA
03107-50A111	Standoff, Stack	Keystone Helicopter Corporation	—	21	Environmental / Cabin	PMA
03121036	CONNECTOR	—	EC135	21	unknown	OEM