As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER AIRBORNE, NOTICED LED LIGHTING ON PRESSURIZATION CONTROL PANEL BLANKED OUT. ALTERNAT LANDING ALT & OUTFLOW VALVE INDICATOR INOPERATIVE. ACFT GROUNDED. PERFORMED FIM 21-31, TASK 803. VERIFIED ALL CIRCUIT BREAKERS ON P6-4 WERE SET. LIGHTING RETURNED TO PANEL. ALL LIGHTING CHECKS OF PANEL CHECKED GOOD. NO FAULTS LOGGED ON DCPC1 OR 2. CHECKS GOOD FOR SERVICE.