Actually Volcanic have had a pretty good run over the last 25 or so years, this would be their first time in the news with "bad" news. From all accounts they run a reasonable op, take on new guys and give them a go at easier types of flying.
might have been a case of the operator trusting their maintenance supplier, or they both might have been caught out by assuming that whoever they purchased it off had done everything properly. As they say never assume...
Disclaimer: i have nothing to do with Volcanic or their maintenance supplier, i don't even know the guy that owns the company. i have talked to a couple of their pilots while operating close to them about 10-15 years ago.