As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURIZATION FAIL DURING DESCENT, MANUAL MODE DID NOT WORK. REMOVED AND REPLACED PRESSURE CONTROL MODULE IAW AMM 21-31-25, OPS CHECK PERFORMED IAW AMM 21-31-00/205 OPS CHECK GOOD NO DEFECTS NOTED, REF LP 737-004-8615 ITEM #2. PERFORMED CABIN PRESSURIZATION LEAK CHECK CHECKS IAW AMM 5-51-91 OPS AND LEAK CHECK GOOD NO DEFECTS NOTED