Sysadmin bloodied by icicle that overheated airport data centre

It's snowing at 3AM. Servers are dying by the dozen. So our reader went outside and climbed a ladder to fix things up

ON-CALL Why look at that: the calendar says "Friday" which means it's time for another edition of On-Call, The Register's weekly column in which we relate readers' recollections of being called out to fix nasty things under nastier circumstances."