As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BTR - FLT NR 0431 - AT FL 310, CREW RECEIVED RED LIGHTS IN THE COCKPIT. THE CABIN PRESSURE BEGAN CLIMBING RAPIDLY. AIRCRAFT MADE AN EMERGENCY DESCENT TO 10,000 FEET AND DIVERTED TO BTR. REPLACED OVERHEAD SELECTOR PANEL DUE TO CONTROLLER INOP. (W)