A team of the Air Transport Directorate General found that the radar of the Polonia airport here which had been operated since 2007, had a technical problem, ANTARA reported. The team's find followed a rampcheck on the airport's infrastructure facilities from August 14 to 16, 2008. "At the airport's navigational system, the team found a damage on the radar, built in 2003, and is now under repair abroad," Head of Polonia Airport's chief administrator Yuli Sudoso said here on Friday.