As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISPLAY COOL CAUTION MESSAGE INFLIGHT. MESSAGE WAS INTERMITTENT REGARDLESS OF FAN SELECTION. INSPECTED DISPLAY COOLING DUCTING, NO LEAKS NOTED. AIR FILTER GETTING DIRTY HOWEVER NOT CLOGGED. CLEANED AIR SCREEN BEHIND PFD2. ALL THREE FANS BLOW NORMALLY. NO FAULTS NOTED IAW AMM 21-24-00 AND 21-24-14 AND 21-24-19. (M)