What was found
AFT LAVATORY SMOKE DETECTOR SOUNDED AS AN ALARM ON DESCENT 15 MINUTES FROM LANDING. "B" FLT ATTENDANT DID NOT SMELL SMOKE NOR DETECT ANY ABNORMAL HEAT ON THE FLOORS, WALLS, CEILING. AT THE GATE, THE "B" FLIGHT ATTENDANT SMELLED A SLIGHT ELECTRICAL ODOR COMING FROM THE GASPER OVER THE AFT ENTRY DOOR. R & R AFT LAV SMOKE DETECTOR, PER AMM 26-14-01.