This Is It Director Kenny Ortega — Cops Respond to L.A. Home

officers raced to the home of “This Is It” director Kenny Ortega last week … after an alarm went off in his home … and has learned cops called in a chopper to help search for a possible bad guy.

Law enforcement sources tell … there was a breach in the garage that triggered the alarm … and the alarm company notified police.

We”re told when cops arrived, they didn”t see any signs of a crime — but just to be safe, they called for the eye in the sky to search for a possible crook … who may have been scared off when the alarm was triggered.

FYI — people in the area are on high alert because of a rash of burglaries … but in this case, cops believe it was probably a false alarm.