On Fri, Apr 29, 2011 at 4:41 AM, Andy Linton <asjl@lpnz.org> wrote:
RailCorp has released their report into the 12 April Sydenham signalling
failure (which crippled the whole metro network). They found it to be
due to a Cisco switch with leaky electrolytic caps repeatedly bouncing
(see the linked PDF):
To their credit, they didn't list the caps as the root cause, but as the "trigger".