What was found
ART HORIZON INDICATING A TURN OR DIVE IN STRAIGHT AND LEVEL FLIGHT THREE MINUTES AFTER BEING CAGED. INSTALLED OVERHAULED ATTITUDE GYRO. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ART HORIZON INDICATING A TURN OR DIVE IN STRAIGHT AND LEVEL FLIGHT THREE MINUTES AFTER BEING CAGED. INSTALLED OVERHAULED ATTITUDE GYRO. (M)