As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURIZATION APPEARS TO HAVE FAILED ON DESCENT THROUGH 3,000 FT. OUTFLOW VLV OPENED FULLY & REMAINED FULL OPEN NO EICAS OR STATUS MSGS & NO FAULTS FOUND. PERFORMED BITE TEST CPC 1 & 2 IAW AMM 21-31-00, NO DEFECTS NOTED. ALSO PERFORMED MANUAL MODE CONTROL TEST IAW AMM 21-31-00 WITH ALL OPERATIONS NORMAL. ALSO VISUALLY INSPECTED OUTFLOW VLV FROM GND OK. REQUESTED PRESS SYS VERIFICATION FLIGHT. FLIGHT CREW INFORMED VERIFICATION FLIGHT SUCCESSFUL, ALL NORMAL.