What was found
SMOKE IN COCKPIT, COMING FROM OVERHEAD. TURNED OFF RADIO LIGHT RHEOSTAT AND INSTRUMENT LIGHT RHEOSTAT. SMOKE THEN QUIT. INVESTIGATION FOUND RADIO LIGHT RHEOSTAT WAS OVERHEATING AND SMOKING. RHEOSTAT WAS REMOVED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SMOKE IN COCKPIT, COMING FROM OVERHEAD. TURNED OFF RADIO LIGHT RHEOSTAT AND INSTRUMENT LIGHT RHEOSTAT. SMOKE THEN QUIT. INVESTIGATION FOUND RADIO LIGHT RHEOSTAT WAS OVERHEATING AND SMOKING. RHEOSTAT WAS REMOVED.