As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURE PROBLEM. PRESSURE UNCONTROLLABLE, DIVERTED TO CLT. ON LANDING AT GATE WITH DOOR OPEN SHOWS MINUS -900 & .4 PSI. PFR SHOWS HISTORY OF NR 2 ENG BLEED PRESSURE REG VALVE/SOLENOID SENSE LINE FAULT. REMOVED & REPLACED NR 2 ENG BLEED VALVE (4001 HA2) IAW MM 36-1152 DUE TO SUSPECT FLUCTUATING BLEED PRESSURE OPS & LEAK CHECK OK. PERFORMED CABIN PRESSURE CHECK IAW AMM 05-53-00. OPS CHECK OK.