As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED PRESSURIZATION FLOW LIGHT ILLUMINATED. PERFORMED QRH PROCEDURE AND DESCENDED TO 10,000 FEET. FLIGHT DIVERTED, LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED BOTH SECON SEGMENT CLIMB SWITCHES. SYS GROUND CHECK NORMAL OPERATION.