As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1709, FLL-PAP. (AIRCRAFT PERFORMED AN AIR TURN BACK TO FLL) ' DURING CLIMB OUT AIRFLOW FROM ALL COCKPIT SOURCES STOPPED COMPLETELY. COCKPIT TEMP ROSE QUICKLY TO AN UNBEARABLE LEVEL. FLOW RETURNED APPROXIMATELY 5-7 MINUTES LATER.' (SUPPLEMENTAL TO FOLLOW)