As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT FROM FL300 PASSING THRU FL240, CABIN RATE SHOWED A CLIMB AT 4500 FT PER MIN. CREW REQUESTED AN IMMEDIATE DESCENT & DESCENDED TO 10000 FEET. CONTROLLER DECLARED AN EMER ON THE BEHALF, AT 10000 FEET PRESSURIZATION SEEMED TO BE WORKING NORMAL. UNEVENTFUL LANDING WAS MADE.