As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISPLAY COOL MESSAGE IN FLIGHT. COMPLIED WITH QRH. MESSAGE WOULD NOT EXTINGUISH. ACFT RETURNED TO DEPARTURE. INSPECTED DUCT WORK TO FANS. NO DEFECTS NOTED. R & R DIPSLAY COOLING FILTER IAW AMM 21-24-15. NO DEFECTS NOTED. R & R LOW FLOW DETECTOR IAW AMM 21-24-07. OPS CHECKED GOOD. ACFT OK FOR SERVICE.