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RICHIE SAMBORA (seen here in his mug shot) is facing misdemeanor DUI and child endangerment charges -- police confirm to ET that they have recommended both in relation to his March 25 arrest.

"The case went over to the court early last week. It is now their decision whether or not they will charge him with both, one, or no pending charges," a police spokesperson tells us.

Indeed, the Orange County District Attorney's Office tells ET: "We received the case late last week and it is being reviewed." A court date has been set for May 7.