What was found
CONNECTOR CAME LOOSE FROM SLAVE CONTROLLER WHILE ON THE GROUND. HSI WAS NOW IN FREE GYRO (UNSLAVED) MODEL BUT THERE WAS NO (HDG) FLAG, HENCE GYRO SLOWLY DRIFTED WITHOUT WARNING TO PILOT. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CONNECTOR CAME LOOSE FROM SLAVE CONTROLLER WHILE ON THE GROUND. HSI WAS NOW IN FREE GYRO (UNSLAVED) MODEL BUT THERE WAS NO (HDG) FLAG, HENCE GYRO SLOWLY DRIFTED WITHOUT WARNING TO PILOT. (K)