What was found
RED LAV SMOKE ECAM WENT OUT AFTER 10 SEC. F/A'S INVESTIGATED, NO EVIDENCE OF SMOKE, FUMES OR VAP, HAIRSPRAY. F/A ADVISED LAV 3L. W PERFORMED FIM/TSM A321 26-17-00-810-804-A. NO FAULTS FOUND. NO CLASS 3 MSG. SMOKE DECT LAV L TEST PASSED. CLEANED DUST OFF AN AROUND SMOKE DETECTOR. MCC CONTACTED. OK FOR SVC. (LP# 7603902)