As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT TOP OF DESCENT THE PRESSURIZATION PANEL LIGHTING WENT DARK AND THE NUMBERS BECAME EXTREMELY DIM AND HARD TO READ. GROUNDED - YES. PERFORMED B737-900 FIM 21-31 TASK 803. AFTER RESET OF BREAKERS LIGHTING RETURNED TO NORMAL AND NO OTHER DEFECTS NOTED AT THIS TIME. OK FOR SERVICE.