LYNN – A Lynn teen accused of selling crack cocaine in Boston is being held at an unavailable location following a probable cause hearing Friday.According to Christina Dilorio-Sterling of the U.S. Attorney’s office, Eric Norman, 18, of 5B Parrot St., #2, Lynn, was detained following his hearing at the U.S. District Court in Boston, with no future court dates scheduled as of yet.Norman and Rudy Antenor, 22, of 70 Nelson St., Dorchester, were picked up Wednesday on federal warrants charging them with several counts of drug distribution.The pair was arrested in Chinatown Aug. 11 with 57 bags of crack cocaine after a Boston undercover officer allegedly watched them sell drugs.Police said Norman would hide the narcotics in his underwear, and then reach into his pants to sell individual baggies to customers.After watching the pair walk around Chinatown and the Theatre District reportedly selling drugs to three people, police moved in.A total of 42 bags of crack cocaine were found in Norman’s possession, and Anteno was found in possession of 15 bags of crack, a cellular phone and a bag of marijuana, police said.Federal authorities are handling the case.