As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 751 ENROUTE, RECEIVED FWD EQ OVERHEAT MESSAGE FOLLOWED BY UNCONTROLLABLE CABIN AIR PRESSURE. DECLARED AN EMERGENCY & PERFORMED A RAPID DESCENT TO 10,000 FT. RETURNED TO DEPARTURE & LANDED WITHOUT FURTHER INCIDENT. MX REPLACED THE CABIN PRESSURE SELECTOR PANEL, & PERFORMED A CABIN PRESSURE LEAKAGE CHECK. SYST OPS CHECKED GOOD.