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
10-60606-4	Check Valve	—	727-100 727-200+1	21	—	OEM
10-60766-3	Actuator	—	—	21	—	OEM
10-60774-3	Switch	—	727	21	—	OEM
10-60806-1020	Circuit Breaker	—	737-600 737-700+9	21	—	OEM
10-60806-1020	Circuit Breaker	—	737-600 737-700+9	21	—	OEM
10-60912-3	SEAL	—	757-200	21	—	OEM
10-60912-3	SEAL	—	757-200	21	—	OEM
10-61412-5	Control Cabin Pressure	—	—	21	—	OEM
10-61420-2	Press Regulatory	—	727-100 727-200+1	21	—	OEM
10-61426-10	Mixing Valve	—	727-100 727-200+1	21	—	OEM
10-61426-21	Mixing Valve	—	727-100 727-200+1	21	—	OEM
10-61426-22	Mixing Valve	—	727-100 727-200+1	21	—	OEM
10-61426-9	Air Cycle Machine	—	737-300 737-400+3	21	—	OEM
10-62009-2	Fan	—	757-200	21	—	OEM
10-62009-3	Fan	—	757-200	21	—	OEM
10-62047-8	HeaterAssembly, AOA ECH	—	737-300 737-400+1	21	—	OEM
10-62088-2	Cooling Air Filter	—	—	21	—	OEM
10-62088-2	Cooling Air Filter	—	—	21	—	OEM
10-62091-13	Trim Air Mod Valve	—	737-800 737-900ER	21	—	OEM
10-62091-16	Valve	—	737-300	21	—	OEM
10-62091-4	Valve	—	737-400	21	—	OEM
10-62091-5	ECS Trim Air/Reg. Valve	—	737-800	21	—	OEM
10-62091-9	Standby PAC Temp. Valve	—	737-800	21	—	OEM
10-62231-21	Panel, Pressure Selector	—	737-600 737-700+2	21	—	OEM
10-62231-21	Panel, Pressure Selector	—	737-600 737-700+2	21	—	OEM
10-62231-31	PANEL, PRESSURE SELECTOR	—	737-700 737-800+1	21	Pneumatics	OEM
1000-015-101	Air Distribution System	Arkansas Aerospace Inc, (CANCELLED) (dba Raytheon Aircraft Co)	—	21	Environmental / Cabin	PMA
10000029	ACTUATOR	—	Embraer EMB-120 Brasilia	21	Electromechanical	PMA
100007005	ACM	HMLTNSNSTRND	E190	21	Environmental / Cabin	OEM
10001571	bellows assembly	zodiac aerospace	—	21	Environmental / Cabin	OEM
10001634	plug flow control	zodiac aerospace	—	21	Pneumatics	OEM
1000393-4	Valve, Turbine Case Cooling	Hamilton Sundstrand	—	21	Environmental / Cabin	PMA
10004-020	O-Ring	—	737-600 737-700+2	21	—	OEM
10004-020	O-Ring	—	737-600 737-700+2	21	—	OEM
10004929	baffle	zodiac aerospace	—	21	Environmental / Cabin	OEM
1000508-5	Valve, Starter Control	Hamilton Sundstrand	—	21	Environmental / Cabin	PMA
100059E100001	cooling and heating control unit	airbus helicopters inc american eurocopter	—	21	Electromechanical	OEM
10006123	holder aneroid	zodiac aerospace	—	21	Instruments	OEM
10006874	deflector flow control	zodiac aerospace	—	21	Environmental / Cabin	OEM
10007003	ACM	—	E170 Embraer E170	21	unknown	OEM
10007004	TURBINE BLADES	HAMSTD	E170 E190+1	21	Engine Accessories	OEM
10007005	A/C PACK	HAMSTD	E170 E190+1	21	Environmental / Cabin	OEM
10007006	A/C PACK	HAMSTD	E170 E190+1	21	Environmental / Cabin	OEM
10007007	ACM	—	E170 Embraer E170	21	unknown	OEM
1001	STUB SHAFT	—	767-300 PA-31 Navajo	21	unknown	OEM
1001050-1-009	Processor, AMS	Hamilton Sundstrand	E170	21	Environmental / Cabin	PMA
1001050-1-011	PROCESSOR, AMS	Hamilton Sundstrand	E170	21	Avionics	PMA
1001050-1-013	AMS PROCESSOR CARD - SOFTWARE BL 11	Hamilton Sundstrand	E170 E190	21	Avionics / Electronics	PMA
1001050-1-014	AMS Controller Processor Board	Hamilton Sundstrand	E170	21	Avionics / Electronics	PMA
1001050-1-015	AMS Controller Processor Board w/Black Label 13 Software Uploaded	Hamilton Sundstrand	E170	21	Environmental / Cabin	PMA