UAL3 Returns to KORD

[RonR]

On Jul 26, United Airlines Flight 3 left KORD and was cruising at FL330 over Michigan when the flight crew reported smoke and heat in the cockpit.  The crew decided to return to Chicago's O'Hare Airport and landed safely a short time later.  The attached audio picks up the flight when they contact Chicago Approach.  Unfortunately, no coverage was available at the point where UAL3 declared an emergency and turned back towards KORD.