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
(65B94541-6)	Duct Assy	—	—	21	—	OEM
(65B94618-1)	Duct Assy-Inlet	—	—	21	—	OEM
(65B94618-2)	Duct Assy-Outlet	—	—	21	—	OEM
(65C33059-1)	DUCT ASSY	—	737-400	21	—	OEM
(69-48598-32)	Module Assy	—	727-200	21	—	OEM
(69-48598-60)	Module Assy - Air Condition and Pressurization	—	—	21	—	OEM
(69B40030-10)	Duct Assy	—	—	21	—	OEM
(69B40044-14)	Duct Assy	—	—	21	—	OEM
(69B40062-7)	Duct Assy	—	—	21	—	OEM
(69B40168-1)	Duct Assy	—	—	21	—	OEM
(69B41005-9)	Duct Assy	—	—	21	—	OEM
(69B46104-9)	Module Assy	—	—	21	—	OEM
(69B46119-100)	Module Assy	—	—	21	—	OEM
(69B46119-105)	Module Assy	—	—	21	—	OEM
(69B46119-37)	Module Assy	—	—	21	—	OEM
(69B46119-81)	Module Assy	—	—	21	—	OEM
(69B46119-86)	Module Assy	—	747-200	21	—	OEM
(69B46119-87)	Module Assy	—	747-200	21	—	OEM
(69B46119-88)	Module Assy	—	—	21	—	OEM
(69B46119-91)	Module Assy	—	—	21	—	OEM
(69B46139-8)	Module Assy	—	—	21	—	OEM
(7011045H03S06)	FAN, ELECTRIC	—	787-8	21	—	OEM
(7011045H04S06)	FAN, ELECTRIC	—	787-8	21	—	OEM
(7111045H01S01)	FAN, ELECTRIC	—	787-8 787-9	21	—	OEM
(7912641-565)	PIPE ASSY	—	DC-9-50 DC-10-30+2	21	—	OEM
(7963932-516)	Pipe Assy	—	MD-90	21	—	OEM
(ABM7083-1)	Plenum Assy	—	—	21	air distribution component	OEM
(S210U130-13)	CABIN TEMP SENSOR	—	747-8	21	Pneumatics	OEM
(S210U130-13)	CABIN TEMP SENSOR	—	747-8	21	Pneumatics	OEM
(S210U130-6)	FLIGHT DECK TEMP SELECTOR	—	747-8	21	Pneumatics	OEM
(S210U130-6)	FLIGHT DECK TEMP SELECTOR	—	747-8	21	Pneumatics	OEM
(S210U160-22)	CABIN PRESSURE SELECTOR	—	747-8F	21	Pneumatics	OEM
(S210U160-83)	CABIN PRESSURE CONTROLLER	—	747-8 747-8F	21	Pneumatics	OEM
(S210U160-83)	CABIN PRESSURE CONTROLLER	—	747-8 747-8F	21	Pneumatics	OEM
(S210U160-93)	CABIN PRESSURE CONTROLLER	—	747-8	21	Pneumatics	OEM
(S210U160-93)	CABIN PRESSURE CONTROLLER	—	747-8	21	Pneumatics	OEM
(S210W110-2022)	THMS TEMPERATURE SENSOR	—	747-8	21	Pneumatics	OEM
00-317501	Seal Assembly Flow Control, Pre-Cooler Exhaust	John Crane Belfab	747	21	Environmental / Cabin	PMA
0000	CIRCUIT BREAKER	AMD	737-400 737-800+9	21	Electromechanical
00001241	FAN	—	CRJ-200	21	unknown	OEM
001D904A1200006	RELAY	—	Dornier 328	21	unknown	OEM
0032-0026-1 9B	coupling pre conditioned air	Rockwell International Corporation	—	21	Environmental / Cabin	OEM
00350	Evaporator	Lane Aviation Inc	—	21	Environmental / Cabin	PMA
0039-0019-4 9B	coupling avionics cooling	Rockwell International Corporation	—	21	Environmental / Cabin	OEM
004B4128S	FAN	—	EC135	21	unknown	OEM
005W2012-1	COMPONENT KIT - CABIN CONTROL PANEL MODIFICATION	BAE Systems Controls Inc	777-200 777-300	21	Avionics / Electronics	PMA
005W3135-1	COMPONENT KIT - CABIN SERVICES SYSTEM (CSS) ZONE MANAGEMENT UNIT (ZMU) I/O PRINTED WIRE ASSEMBLY CHANGE	BAE Systems Controls Inc	777-200 777-300+2	21	Avionics / Electronics	PMA
005W3204-1102	SBKIT	Triumph Insulation Systems, LLC (Cancelled)	777-200 777-300+3	21	Environmental / Cabin	PMA
005W3204-1105	SB KIT	Triumph Insulation Systems, LLC (Cancelled)	777-200 777-300+3	21	Environmental / Cabin	PMA
005W3204-1106	SB KIT	Triumph Insulation Systems, LLC (Cancelled)	777-200 777-300+3	21	Environmental / Cabin	PMA