As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS LAVATORY SMOKE RED WARNING ECAM FOR AFT RIGHT LAV. WENT OFF AFTER ABOUT 20 SEC- NO INDICATIONS OF SMOKE REPORTED BY FLIGHT ATTENDANT. MAINTENANCE ACCOMPLISHED BITE TEST AND VERIFIED NO SMOKE ON LAV'S. IAW AMM 26-17-00. OPS CHECKED GOOD.