A second man accused of taking part in a home invasion in Greenbush and brutally beating the woman inside appeared in a Bangor courtroom Friday.21-year old Ryan Petrin of Grindstone was arrested around 8 p.m. Thursday. He’s charged with robbery and aggravated assault with a dangerous weapon. A judge set bail Friday at $1,000.Authorities say Petrin and 23-year old Nicholas Hutchinson broke into a house early Monday morning and attacked Marcia Fieger, while her two young children were there. Fieger believes the men were after money and prescriptions. In court today, Petrin’s lawyer said Petrin only thought he was along with Hutchinson to help collect some money Hutchinson was owed.Hutchinson made his first court appearance on Tuesday. His bail was set at $50,000. He remains in the Penobscot County Jail.