What was found
FLIGHT EXPERIENCED SMOKE COMING FROM THE APU COMPARTMENT AFTER ARRIVAL. THE PASSENGERS DEPLANED NORMALLY THROUGH THE L1 DOOR. MAINTENANCE FOUND THE APU STARTER SMOKING AND GLOWING. MAINTENANCE USED THE GROUND BASED FIRE EXTINGUISHER TO SECURE APU COMPARTMENT. THE APU STARTER CB WAS PULLED IAW ER/A 549458-14, THE COMPARTMENT WAS CLEANED, AND APU MEL 49-10-01 WAS APPLIED. NO STRUCTURAL DAMAGE WAS FOUND. ACFT RELEASED FOR SERVICE WITH APU INOPERATIVE.