What was found
CREW REPORT: SMOKE IN COCKPIT AFTER SHUTDOWN. SAMC TEXT: INBOUND CREW REPORTED A 'PUFF' OF SMOKE IN COCKPIT, LOCATION NOT SPECIFIED. OPERATED COCKPIT LIGHTS, PERFORMED AFS TEST (MM22-96-00), EFCS 1+2 GND SCAN (MM 27-96-00), AEVC TEST (MM 21-26-00). CREW PERFORMED FLT CONTROL TEST: NO FAULT. CYCLED FWC 1+2 CB'S: NO SMOKE SMELLED OR SEEN, NO ECAM WARNINGS.