As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 2449: AFTER PUSHBACK RECEIVED A HOTPFD2 MESSAGE ON THE EDU. MAINTENANCE FOUND THE CDS READS 'PFD 2 SECOND OVERHEAT' WITH NO FAN FAIL INDICATION. REMOVED AND INSTALLED NEW PFD 2 DISPLAY IAW MTC 6316104. OPS TEST GOOD. A/C OK FOR CONTINUED CAT III SERVICE AND IS PLACARD CAT III. MAINTENANCE CONTROL NOTIFIED OF STATUS. AIRCRAFT RETURNED TO SERVICE.