Queston about NTSB Reports

Hey guys, a while back, I posted a link to an article where a Cessna 310 was ditched near the Charleston Harbor.

discussions.flightaware.com/viewtopic.php?t=8269

While reading the article about the renegade repo man in another discussion, I remembered that Cessna 310 and went to the NTSB reports to see if they have published a Preliminary Report at least regarding the crash (all I know about it came from the Charleston P&C article, in which the pilot said he “heard a pop” and the plane went down.) That day sticks out vividly, as it was the day of my first flight lesson and the accident took place directly below where I was flying - but about an hour later. (My friends that heard about a Cessna crash were certain that I was involved!) To this day, nothing has been listed on the NTSB page about the accident. I’ve noticed most other accidents posted within a few days of the incident on their page - even if they don’t have a cause listed. So why has this one taken a month and a half and still nothing posted? Maybe I’ll never know…