As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY DET FAULT DISPLAYED ON UPPER ECAM SCREEN. - CHECK P.F.R. CYCLE CB'S C6 AND T18 FOR 20 SECONDS. MX COMPLIED WITH STEPS IN MEL 267 1H. DOOR PLACARDED INOP AND WASTE BIN DOOR TAPED OVER. PERFORMED RESET IN EWR, NO HELP. SDCU TEST FAULTING LAV "A" SMOKE DET. REPLACED LAV A SMOKE DETECTOR, SDCU TEST OK.