As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT LAV SMOKE DETECTOR INTERMITTENT ALARM ON CLIMBOUT. NO SMOKE-ODORS OR FUMES PRESENT. REMOVED SMOKE DETECTOR BATTERY IN LT AFT LAV AND REINSTALLED SMOKE DETECTOR. C /W M PROCEDURES - VERIFIED TRASH CONTAINER EMPTY AND LOCKED AND PLACARDED DOOR CLOSED. FWD TO MCO AND PLACARDED PER MEL 26-00-07. R&R AFT LT LAV SMOKE DET ASSY OPS CK OK REF AMM 26-10 MCO/PLCD RMVD.