SA4550 Service Bulletins and Service Information Letters

SIL 4550-07: Software version 1.09 for ARINC 429 interface option – 11/13/2013

• SIL 4550-07 (17 kB)

SIL 4550-06: Hardware modification to prevent excessive vibration of slip/skid ball – 6/13/2013

• SIL 4550-06 (263 kB)

SB 4550-05: Software version 1.07 – 3/14/2011

• SB 4550-05 (51 kB)

SB 4550-04: Display discoloration – 8/20/2009

• SB 4550-04 (15 kB)

SB 4550-03: Software version 1.06 – 10/31/2008

• SB 4550-03 (19 kB)

SB 4550-02: Attitude and radar altimeter test drive output drive current – 8/30/2007

• SB 4550-02 (15 kB)

SIL 4550-01: Software version 1.02 – 8/30/2007

• SIL 4550-01 (22 kB)