Early reports suggest the plane was unstable as it touched down, which led to the tail of the plane breaking off.
You jackasses should have retracted this by now. The headline should read 'stupid Korean pilots augur in at SFO'. The NTSB just verified it. The Boeing plane performed magnificently.
Some programming languages manage to absorb change, but withstand progress. -- Epigrams in Programming, ACM SIGPLAN Sept. 1982