IIRC we had lots of crew door warning light problems when we first got the 'K'. Eventually the 'solution' was to remove the 'door closed' microswitch and just have the 'door locked' system in operation. The meant that in theory you could turn the handle to the locked position but still have the crew door open. This would still put out the master warning light !
As for carriage of parachutes they were worn by the loadmaster on certain airdrops (back type) and carried on the tanker (clip on WW2 fashion). I have no recollection of crew parachute carrying in any other role on the 'K'.