What was found
INSPECTION TYPE: NA ATB-NO EMERGENCY DECLARED-LANDING UNEVENTFUL. ON CLIMB ECAM LOWER FWD CARGO DOOR OPEN MESSAGE. ACCOMPLISHED AIR TURN BACK ON INSPECTION FOUND AFT DOOR SILL MICRO SWITCH 14WS COVERED IN ICE, CLEANED MICRO SWITCH. REMOVED ALL ICE DEBRIS C/W DOOR WARNING ADJ TEST. OPERATIONS CHECKS NORMAL, OK TO CONTINUE, REF M/M 52-70-00-0501.