One CCR1036 died due to failed PSU after few years of working. PSU had blown up capacitors. We changed capacitors but work was still unstable.
Due to order new original PSU for Mikrotik in Ukraine is a little quest we decided to replace PSU to the external one like it done on CCR-1009-PC (CCR with passive cooling) - External PSU
CCR still works.
We have few CCR1016 which run in hot conditions for few years - no problem
I have one CCR1009 which run in non-heated place (under roof, i.e. outer temperature changes in wide ranges from <=0 in winter to ~40-50 in summer) - works without fails.
I.e. it seems to PSU in 1036 (in early versions) is not proper one (overloaded?)