Service Notifications

Service Bulletins

PUBLICATION NUMBER
PART NUMBER
DESCRIPTION
REV DATE
MD41-24X
Annunciation Control Unit
3/9/2011
4300-( )
Attitude Gyro, Electric
7/25/2018
12/31/2007
9/12/2005
9/12/2005
9/12/2005
4200 Series
Attitude Gyro, Electric, 2-inch
2/1/2008
9/26/2006
6430020-( ), 6430030-( ), 6430040-( ), 6431060-( )
Advanced Lithium-ion Battery
6/22/2022
1/12/2022
1/12/2022
12/18/2020
6430020-( ), 6430030-( ), 6430040-( )
Advanced Lithium-ion Battery
5/26/2020
6430017-( )
Advanced Lithium-ion Battery
10/25/2022
3/21/2016
8/27/2015
6430044-( )
Advanced Lithium-ion Battery
7/27/2015
1/19/2015
6430043-1
Battery Charger/Tester
3/25/2019
282-10()
True Blue Charger MX
6/21/2022
6420093-( )
Digital Clock/USB Charger
3/21/2016
MD200 Series
Course Deviation Indicator
12/20/1999
6420023-( )
FLEX Custom Function Display
5/23/2023
8/23/2022
8/20/2021
2/10/2021
MD421 Module
Emergency Power System
12/01/2008
6431200-( )
1200 VA, DC to AC Static Inverter
5/04/2023
1/11/2022
1/11/2022
4305-150 Series
Remote Directional Gyro
9/2/2002
12/18/2001
8/1/2001
6420302-( )
SAM® Standby Attitude Module
7/1/2020
8/29/2018
3/26/2018
3/28/2015
12/22/2014
3/21/2014
10/11/2013
5/10/2013
5/3/2013
1394T100-14RB
Turn Coordinator with electrical rate output
5/24/2007
1394T100-10RZ
Autopilot Turn Coordinator
8/4/1999
1394T100-10RA
Autopilot Turn Coordinator
5/30/2001
1394T100-( )RB
Turn Coordinator with electrical rate output
8/29/2007
6430120-( ), 6430240-( )
DC/DC Power Converter
6/8/2022
6430280-( )
115VAC to 28VDC Converter
12/16/2019

Service Information Letter Index

View all Service Information Letters (SIL) with the latest product notifications, service policy updates, recommendations and other helpful supporting documents.

PUBLICATION NUMBER
PART NUMBER
DESCRIPTION
REV DATE
1394T100-( )B
Turn Coordinator
5/30/06
3300-XX SERIES
Directional Gyro
7/08/08
4300-XXX Series
Attitude Indicator
7/30/09
6/06/08
1/02/07
11/29/06
8/30/06
10/26/05
4305-150
Directional Gyro
4/03/02
4300-8765-1L
4300-8765-3L
Attitude Indicator
10/08/08
MD15-XXX
Altimeter
9/12/11
MD200 SERIES
Course Deviation Indicator, 2″
5/30/01
91-XXX-XXXXX
Stand-Off
5/06/20
6430017-( )
Advanced Lithium-ion Battery
11/25/20
6/30/20
6/5/20