AJ McLean thinks he’s the guy who can take Aaron Carter under his wing and help him get back on the road to recovery … because he had to do it himself 3 times.
We got the Backstreet Boys singer out at The Commons at Calabasas Friday … he tells us he’s reaching out to Aaron right away because he’s worried and hopes to talk some sense into him.
AJ says Aaron’s like a little brother and he knows exactly what he’s going through … and he’s going to try his best to save him. As for Aaron’s real brother, Nick … AJ suggests he’s frustrated with the whole situation because once again — he knows from experience.
As we’ve reported … family members have been worried about Aaron for weeks now, and cops rushed to his house Thursday after getting a call he was under the influence of something.