FAA STC ST02683CH
European Aviation Safety Agency (EASA) STC 03189.
The STCs govern the installation of an EZMount® mechanical mounting assemblies on sidewalls of cockpit in accordance with Electronic Cable Specialists (ECS) Master Data List ECS-206728.
STC AIRCRAFT EFFECTIVITY
Boeing 747-400/-400D/-400F series aircraft
Download the STC overview (PDF) here