As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A RAPID CABIN DEPRESSURIZATION DURING DESCENT AT FL 240. EMERGENCY DECLARED. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND FOUND MISSING 12 INCH SECTION OF DOOR SEAL. REPLACED THE CARGO DOOR SEAL AND PERFORMED PRESSURIZATION CHECK. T HE AIRCRAFT WAS RETURNED TO SERVICE.