What was found
THE LEFT ENGINE ECU A&B INDICATED "BOOST PRESSURE RANGE WITH ERROR". INSPECTION REVEALED THAT THE WASTE GATE CONTROLLER WAS DEFECTIVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE LEFT ENGINE ECU A&B INDICATED "BOOST PRESSURE RANGE WITH ERROR". INSPECTION REVEALED THAT THE WASTE GATE CONTROLLER WAS DEFECTIVE.