As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ENROUTE, CABIN ALTITUDE EXCEEDED 10,000 FT. THE FLIGHT CREW FOLLOWED EMERGENCY PROCEDURES BUT WAS UNABLE TO RETURN THE CABIN PRESSURIZATION WITHIN NORMAL PIRAMETERS. THE FLIGHT CREW DECIDED TO DIVERTED AND LANDED WITHOUT FURTHER INCIDENT. UPON INSPECTION MAINTENANCE CREW FOUDN A LINE LOOSE ON THE PRESSURIZATION JET PUMP. (K)