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
1213-1B1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
121300103	AIR FILTER	DONALDSON	AS350 Ecureuil H125+1	21	Environmental / Cabin	OEM
1213FF-1C1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
1213LLT-1C1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
1213LT-1B1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
1214213P051C	cabin diff-press man	thommen	—	21	Instruments	OEM
12148	CONTROL VALVE	AIRESRCH	—	21	Hydraulics	OEM
1214FF-1C1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
1214LLT-1C1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
1214LT-1B1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
1215-1B1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
1215001	ACM	—	Dash 8-400 Dash 8	21	unknown	OEM
1215FF-1C1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
1215LLT-1C1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
1215LT-1B1-01	BEARING	Schatz Bearing Corporation	747-400	21	Consumables / Hardware	PMA
1218-100	pressure switch	zodiac aerospace	—	21	Electromechanical	OEM
12205-001	replaced by 12205-002	zodiac aerospace	—	21	Environmental / Cabin	OEM
12205-124	replaced by 4812-174-22	zodiac aerospace	—	21	Environmental / Cabin	OEM
122056-2	VALVE	Honeywell	707 727	21	—	OEM
1221EB2	MOTOR-ELECTRIC	—	—	21	—
1221EH1	MOTOR-ELECTRIC	—	A300	21	—
122250	Pneumatic Shutoff Valve	Honeywell	707 720	21	Pneumatics	PMA
122250-1-1	VALVE	Honeywell	707	21	—	OEM
12225310A	A/C PACK	—	C172 Skyhawk C182 Skylane+26	21	unknown
122280	VALVE	Honeywell	707	21	—	OEM
12238002013	BLOWER	—	Saab 2000	21	Environmental / Cabin	OEM
123-11269-1( )	Return Air Grille Assembly.	Magee Plastics Company	737-300 737-400+3	21	Environmental / Cabin	PMA
123-11269-1A	Return Air Grille assembly.	Magee Plastics Co	737 757	21	Environmental / Cabin	PMA
123-11269-1A, 123-11269-1B, 123-11269-1C	Return Air Grille Assembly	Magee Plastics Co	—	21	Environmental / Cabin	PMA
123-11269-1B	Return Air Grille assembly.	Magee Plastics Co	737 757	21	Environmental / Cabin	PMA
123-11269-1C	Return Air Grille assembly.	Magee Plastics Co	737 757	21	Environmental / Cabin	PMA
123-11269-1D	Return Air Grille assembly.	Magee Plastics Co	737 757	21	Environmental / Cabin	PMA
123-11269-1E	Return Air Grille assembly.	Magee Plastics Co	737 757	21	Environmental / Cabin	PMA
123-11275-00977, 00964, 00966, 00961, 00968, 00954	Return Air Grill	Magee Plastics Co	707 727+1	21	Interior / Furnishings	PMA
123-11276-00977, 00964, 00966, 00961, 00968, 00954	Return Air Grill	Magee Plastics Co	707 727+1	21	Interior / Furnishings	PMA
123-11277-00977, 00964, 00966, 00961, 00968, 00954	Return Air Grill	Magee Plastics Co	707 727+1	21	Interior / Furnishings	PMA
123-11303-00977, 00964, 00966, 00961, 00968, 00954	Return Air Grill	Magee Plastics Co	707 727+1	21	Interior / Furnishings	PMA
123-11304-00977, 00964, 00966, 00961, 00968, 00954	Return Air Grill	Magee Plastics Co	707 727+1	21	Interior / Furnishings	PMA
123-11428-1(), 123-11428-101()	Air Grille Assembly	Magee Plastics Co	—	21	Environmental / Cabin	PMA
123-11428-12( )	Air Grille	Magee Plastics Co	—	21	Environmental / Cabin	PMA
123-11428-12(), 123-11428-112()	Air Grille Assembly	Magee Plastics Co	—	21	unknown	PMA
123-11428-13( )	Air Grille	Magee Plastics Co	—	21	Environmental / Cabin	PMA
123-11428-13(), 123-11428-1130	Air Grille Assembly	Magee Plastics Co	—	21	unknown	PMA
123-11428-14( )	Air Grille	Magee Plastics Co	—	21	Environmental / Cabin	PMA
123-11428-14(), 123-11428-1140	Air Grille Assembly	Magee Plastics Co	—	21	Environmental / Cabin	PMA
123-11428-2( )	Air Grille	Magee Plastics Co	—	21	Environmental / Cabin	PMA
123-11428-2( ), 123-11428-102()	Air Grille Assembly	Magee Plastics Co	—	21	Environmental / Cabin	PMA
123-11428-3( )	Air Grille	Magee Plastics Co	—	21	Environmental / Cabin	PMA
123-11428-3( ), 123-11428-103()	Air Grille Assembly	Magee Plastics Co	—	21	Environmental / Cabin	PMA
123-11428-4( ), 123-11428-104()	Air Grille Assembly	Magee Plastics Co	—	21	unknown	PMA