As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5473 - CABIN ALT CAUTION MESSAGE FOLLOWED BY CABIN ALT WARNING MESSAGE AFTER LEVELING OFF AT FS 240. QRH FOLLOWED FOR BOTH MSGS, CONTINUED DESCENT INTO MCO AND LANDED SAFELY. FOUND RIGHT DUAL HEAT EXCHANGER PRIMARY INLET DUCT DISCONNECTED. RECONNECTED DUCT WITH SERVICEABLE CLAMP. OPS CHECK GOOD.