They care on a medical
application, but he already has a medical and presumably won't be renewing. The reporting requirement outside of a medical application is under part 61 (see
@jbarrass post above), which relates to airman certificates, not medicals, and he
might not be required to report depending on the details as that does require that there be a motor vehicle action.
Here's the FAA definition of MVA:
(1) A conviction after November 29, 1990, for the violation of any Federal or State statute relating to the operation of a motor vehicle while intoxicated by alcohol or a drug, while impaired by alcohol or a drug, or while under the influence of alcohol or a drug;
(2) The cancellation, suspension, or revocation of a license to operate a motor vehicle after November 29, 1990, for a cause related to the operation of a motor vehicle while intoxicated by alcohol or a drug, while impaired by alcohol or a drug, or while under the influence of alcohol or a drug; or
(3) The denial after November 29, 1990, of an application for a license to operate a motor vehicle for a cause related to the operation of a motor vehicle while intoxicated by alcohol or a drug, while impaired by alcohol or a drug, or while under the influence of alcohol or a drug.
Regarding #1, it is
possible that he won't receive a conviction for operating while intoxicated, depending on his attorney and the court and what sort of deal he can cut. Sometimes on a first offense people get "reckless" driving. #2 might get dicier, since it doesn't require a specific conviction, but if he skates without license action it would be moot. #3 is not applicable; he already has a license. So there's a (perhaps slim) possibility he won't have to report under Part 61.
Basic Med has a 2-year time-out for substance abuse, so
IF he doesn't get a DWI conviction and
IF no action is taken against his driver's license, it's possible his problem could be solved by waiting a couple of years.
But this is all legal arm waving. What worries me is that, as in most of these sorts of threads, we're getting the story piecemeal. We don't know the BAC, further along we hear about marijuana use, then we get a mention of ADHD. It just keeps getting deeper and deeper, and the more we learn the more screwed he seems to be. I'm just waiting for the posts that mention anxiety, suicide attempts, paranoia, fits of psychotic rage,......
I suspect that, if we ever hear the whole story, he's screwed. Self-screwed, as it's all on him.