As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING GROUND 80 KNOTS "MAINT" LIGHT ILLUMINATED ON OVER HEAD PANEL. GROUNDED - YES. FOUND MAINTEANCE MESSAGE 36-12020 FOR FAMV ENGINE 1 PERFORMED PNEUMATICS ENGINE ON SYSTEM TEST PER REF AMM36-00-00-730-801. TEST PASSEDMAINT LIGHT OFF.