**Corrected spelling: Brianna O'Neill *** Boston Police officer Richard Jeanetti, leaves the courtroom after his arraignment in West Roxbury District Court where a plea of not guilty was entered on his behalf on charges that he ran a stop sign while drunk driving, and was involved in an accident which left Brianna O'Neill , 22, with a broken neck and broken leg on the evening of May 24. JOSH REYNOLDS FOR THE BOSTON GLOBE/POOL (Metro, Ballou )
Boston Police Officer Richard Jeanetti leaves the courtroom after his arraignment in West Roxbury District Court.
Josh Reynolds for The Boston Globe

A Boston police officer’s blood alcohol level was found to be more than three times the legal limit after he crashed his car into a young woman’s car in Hyde Park two months ago, seriously injuring her, according to a police report filed in the case.

Richard Jeanetti, 35, was released on personal recognizance after his arraignment today in West Roxbury District Court before Judge Franco Gobourne. The crash happened on the evening of May 24; Jeanetti was off duty at the time.

A report filed in court said Jeanetti’s blood alcohol level was 0.27 when he was taken to the hospital after the crash. The legal limit is 0.08.

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The report of the investigation also said that an examination of Jeanetti’s car’s “black box” indicated that he had accelerated his 2007 Toyota Tundra pickup for six seconds, reaching a speed of about 68 miles per hour and never applying his brakes, before he crashed into the victim’s car.

The crash happened as Jeanetti drove on West Street into the intersection with Austin Street.

Jeanetti “failed to stop for the clearly posted stop sign at the intersection,” the report said.

The victim, Brianna O’Neill, 22, was in court, wearing a neck brace and using a single crutch. She broke her tibula and ankle and said she may need surgery on her back. She said she did not see Jeanetti that night but saw many officers after the crash, when she was “dazed and confused.”

Assistant District Attorney Lynn Feigenbaum said witnesses told police that Jeanetti appeared drunk.

Police obtained a complaint against Jeanetti in June and the court slated arraignment for today, Suffolk District Attorney Daniel F. Conley’s office said in a statement.

Jeanetti, who wore a dark blue suit and blue shirt during today’s hearing, faces charges that include operating under the influence causing serious bodily injury and negligent operation of a motor vehicle.