As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOW-UP TO REPORTS OF PRESSURIZATION PANEL AUTO LIGHT ILLUM AFTER LANDING. GROUNDED - YES. ACCOMPLISHED FIM TASK 21-31-827 AUTO FAIL LIGHT ON - FAULT ISOLATION. FOUND NO DEFECTS DURING BITE PROCEDURE. REPLACED OFV PER B737-800 AMM 21-31-03 AND OPS CHECK GOOD.