As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOW LIGHT ILLUMINATED, FOLLOWED BY TRANSFER LOCKOUT LIGHT, STANDBY LIGHT ON PRESSURE CONTROLLER. DID QRH PROCEDURES. COULD NOT CONTROL CABIN PRESSURIZATION. REMOVED AND REPLACED OUTFLOW VALVE ACTUATOR AND TWO BELLY DRAINS. INSTALLED NEW SEAL FOR LEFT REVERSER BELL CRANK.