At approximately 12:15 p.m. local time, the actor was piloting his private plane and coming in for a landing at John Wayne Airport near Orange County.
"Air traffic controllers cleared the pilot of a single-engine Aviat Husky to land on Runway 20L at John Wayne Airport Monday afternoon," the FAA said in a statement to E! News. "The pilot correctly read back the clearance. The pilot then landed on a taxiway that runs parallel to the runway, overflying a Boeing 737 that was holding short of the runway. The FAA is investigating this incident."
According to reports, Harrison was captured on air traffic control recordings asking, "Was that airliner meant to be underneath me."