What was found
PILOT REPORTS THAT WHILE ACTIVATING THE HEATER CABLE, THE LOCKING MECHANISM CAME FREE FROM THE CONTROL KNOB. HEATER CONFIGURATION WAS CHANGED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PILOT REPORTS THAT WHILE ACTIVATING THE HEATER CABLE, THE LOCKING MECHANISM CAME FREE FROM THE CONTROL KNOB. HEATER CONFIGURATION WAS CHANGED.