What was found
AIRCRAFT WAS NOT GROUNDED: DURING CLIMB OUT EXPERIENCED A MASTER WARNING SMOKE ELECTRONIC CENTRALIZED AIRCRAFT MONITOR. AFTER 10 SEC, THE SMOKE ELECTRONIC CENTRALIZED AIRCRAFT MONITOR CLEARED ITSELF. NO EVIDENCE OF SMOKE, VAPOR, OR TAMPERING WAS FOUND IN THE ASSOCIATED LAVATORY (AFT, RIGHT). PERFORMED TSM 26-17-00-810-804-A. REPLACED ALL LAVATORY SMOKE-DETECTOR'S FILTERS. PERFORMED OPERATIONS CHECK OF LAVATORY SMOKE DETECTION SYSTEM AND CARGO SMOKE DETECTION SYSTEM GOOD. RAN AUXILIARY POWER UNIT, NO SMELL FUMES NOTICE. REF AMM 26-17-00-710-001-A, AMM 26-16-15-400-001-A.