Csu

3 failure reports named the csu in the last ten years, 18 since 1995, most often on the Airbus A300; the condition most often found was "failed". 23 FAA approvals let 4 companies make a replacement csu, Rockwell Collins INC holding the most (15).

Reports by year

Reports by year, as a table

	reports
1995	1
1996	1
1998	1
1999	1
2001	1
2002	3
2005	2
2008	1
2011	1
2012	2
2013	1
2016	1
2019	1
2024	1

Which system the reports file it under last ten years

Flight controls2Propeller1

Reports by system, as a table

	reports
Flight controls	2
Propeller	1

Models most often reporting it last ten years

Airbus A3001Airbus A3301Dehavilland DHC-31

Models most reported, as a table

	reports
Airbus A300	1
Airbus A330	1
Dehavilland DHC-3	1

How it failed the condition found, last ten years

failed2faulted1

Conditions found, as a table

	reports
failed	2
faulted	1

Approved replacement parts 23 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a csu and sell it as an approved part for the models named. These are the companies holding such approvals for a csu:

Rockwell Collins INC 15 Sony Trans Com INC 5 Bucher Aerospace Corporation 2 Matsushita Avionics Systems CORP 1

For these models most: Boeing 737 (11), Boeing 767 (7), Boeing 757 (7), Boeing 777 (3), Boeing 717 (2), Boeing 747 (1).

Maker	Part	Replaces	Fits	Granted	Status
Rockwell Collins INC	CSU 617-5053-001	617-5053-001	Boeing 737-300 Series, 737-400 Series,...	2016-06-01	current
Rockwell Collins INC	CSU Assembly 617-6248-002	617-6248-002	Boeing 737-800 Series, 757-300 Series	2016-06-01	current
Rockwell Collins INC	CSU Assembly 617-6248-001	617-6248-001	Boeing 757-200 Series	2016-06-01	current
Rockwell Collins INC	CSU, Hi-8 617-5053-001	617-5053-001	Boeing 777-300 Series	2016-06-01	current
Rockwell Collins INC	CSU Assembly 617-6248-001	617-6248-001	Boeing 757-200 Series	2016-06-01	current
Rockwell Collins INC	CSU Assembly 617-5053-001	617-5053-001	Boeing 737-600 Series, 737-700 Series,...	2016-06-01	current
Rockwell Collins INC	CSU ASSY, SLD, LKG, VHS/BETA 617-6149-001	617-6149-001	Boeing 737-200 Series	2016-06-01	current
Rockwell Collins INC	CSU 743-0140-001	743-0140-001	Boeing 767-200, 767-300	2016-06-01	current
Rockwell Collins INC	CSU, HI-8 617-5053-001	617-5053-001	Boeing 737-300, 400, 767-200	2016-06-01	current
Rockwell Collins INC	CSU, SEE THRU DOOR 617-5579-001	617-5579-001	Boeing 757-200	2016-06-01	current
Rockwell Collins INC	CSU, VIDEO 8 617-5053-001	617-5053-001	Boeing 737-300, -400 767-200, -300	2016-06-01	current
Rockwell Collins INC	CSU REAR 645-5138-001	645-5138-001	Boeing 737-300, 400	2016-06-01	current
Rockwell Collins INC	CSU 617-5049-001	617-5049-001	Boeing 767-200, 767-300	2016-06-01	current
Rockwell Collins INC	CSU ASSY 617-5049-001	617-5049-001	Boeing 767-200, -300	2016-06-01	current
Rockwell Collins INC	CSU, Video 8 (W/Lock) 6175053-001	6175053-001	Boeing 737-900 Series	2016-06-01	current
Bucher Aerospace Corporation	CSU BA720020300	BA720020300	BOEING 717-200	2013-08-13	current
Bucher Aerospace Corporation	CSU BA720016100	BA720016100	BOEING 717-200	2013-08-13	current
Sony Trans Com INC	CSU Assembly 617-6248-001	BOEING 617-6248-001	Boeing 757-200 Series	1999-09-30	current
Sony Trans Com INC	CSU Assembly 617-6248-002	BOEING 617-6248-002	Boeing 737-800 SERIES, 757-300SERIES	1999-09-30	current
Sony Trans Com INC	CSU Assembly 617-5053-001	BOEING 617-5053-001	Boeing 737-600 SERIES, 737-700 SERIES,...	1999-09-30	current
Matsushita Avionics Systems CORP	CSU RD-AV9120	RD-AV9120	Boeing 737-700C Series	1992-12-31	current
Sony Trans Com INC	CSU 617-5049-001	Replacement Part	Boeing 767-200, -300	1991-06-23	current
Sony Trans Com INC	CSU 743-0140-001	Replacement Part	Boeing 767-200, -300	1991-06-23	current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.