ATA 21 — Air Conditioning

78,383 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
1900LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1901LLT-1C1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1901LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1902LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1903-1B1-01	Bearing, Ball, Radial, Conrad, Single Row, Metric, Extremely Light Series	Schatz Bearing Corporation	767-200 767-300+4	21	Consumables / Hardware	PMA
1903RRT-1C1-01	Bearing, Ball, Radial, Conrad, Single Row, Metric, Extremely Light Series	Schatz Bearing Corporation	747-400 747-100+4	21	Consumables / Hardware	PMA
1903RT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1904-1B1-01	Bearing , Ball, Radial, Conrad, Single Row Metric, Extremely Light Series	Schatz Bearing Corporation	767-200 767-300+2	21	Consumables / Hardware	PMA
1904LLT-1C1-01	Bearing, Ball, Radial, Conrad, Single Row, Metric, Extremely Light Series	Schatz Bearing Corporation	757-200 757-300+12	21	Consumables / Hardware	PMA
1904LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1905-1B1-01	Bearing , Ball, Radial, Conrad, Single Row Metric, Extremely Light Series	Schatz Bearing Corporation	737-300 737-400+22	21	Consumables / Hardware	PMA
19055086405	DUCT	EMB	E190	21	Environmental / Cabin	OEM
19055782	DUCT	—	E190	21	Pneumatics	OEM
19055782401	DUCT	EMB	E190	21	Environmental / Cabin	OEM
1905LT-1B1-01	Bearing, Ball, Radial, Conrad, Single Row, Metric, Extremely Light Series	Schatz Bearing Corporation	737-600 737-700+2	21	Consumables / Hardware	PMA
1906-1B1-01	Bearing , Ball, Radial, Conrad, Single Row Metric, Extremely Light Series	Schatz Bearing Corporation	—	21	Consumables / Hardware	PMA
1907-1B1-01	Bearing, Ball, Radial, Conrad, Single Row, Metric, Extremely Light Series	Schatz Bearing Corporation	737-300 737-400+14	21	Consumables / Hardware	PMA
1907RT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1909LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
191-40603-401	Duct Structure Instl Kit	Safran Cabin Inc.	E190	21	Environmental / Cabin	PMA
191-40616-401	Duct Structure Instl Kit, Air Dist	C & D Zodiac, Inc	E190	21	Environmental / Cabin	PMA
191-40679-601	Top Assy, Air Duct	C & D Zodiac, Inc	E190	21	Environmental / Cabin	PMA
191-43151-401	Duct Structure Instl Kit Air Dist	Safran Cabin Inc.	E190	21	Environmental / Cabin	PMA
191-43155-401	Duct Structure Instl Kit Air Dist	Safran Cabin Inc.	E190	21	Environmental / Cabin	PMA
191-43191-401	Duct Structure Instl Kit, Air Dist	Safran Cabin Inc.	E190	21	Environmental / Cabin	PMA
191-43410-401	Plug Instl Upper Plenum Kit	Safran Cabin Inc.	E190	21	Environmental / Cabin	PMA
191-43466-401	Plug Instl Upper Plenum Kit	Safran Cabin Inc.	E190	21	Environmental / Cabin	PMA
191-43525-401	Plug Instl Upper Plenum Kit	Safran Cabin Inc.	E190	21	Environmental / Cabin	PMA
191-43530-401	Plug Instl Upper Plenum Kit	Safran Cabin Inc.	E190	21	Environmental / Cabin	PMA
1910LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1911LLT-1C1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1911LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1912LLT-1C1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1912LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1913LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1914-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
191482-2	Precooler	Honeywell	—	21	Environmental / Cabin	PMA
191486-1	Heat Exchanger	Honeywell	—	21	Environmental / Cabin	PMA
1914LLT-1C1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1914LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1915LLT-1C1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1915LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1916LLT-1C1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
1916LT-1B1-01	BEARING	Schatz Bearing Corporation	777-200	21	Consumables / Hardware	PMA
19215299005	REHEATER	—	757-200	21	unknown	OEM
1929929	SUPPORT BRACKET	—	767-300 767	21	unknown	OEM
1933105	BRACKET	—	747-400 747-200+2	21	unknown
193586-523	vane plate	israel aerospace industries ltd	—	21	Environmental / Cabin	OEM
193586-526	vane plate	israel aerospace industries ltd	—	21	Environmental / Cabin	OEM
193586-527	vane plate	israel aerospace industries ltd	—	21	Environmental / Cabin	OEM