As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1047 - DCA-CLT - BURNING SMELL - STRONG BURNING SMELL IN CABIN, NO ECAM, NO SMOKE NOTED. STRONGEST SMELL IN FORWARD GALLEY, AIRCRAFT LEFT. FOUND CIDS FAULT WITH LAV A SMOKE DETECTOR UNIT EMITTING ACRID SMELL. REMOVED AND REPLACED LAV A SMOKE DETECTOR UNIT IAW AMM 26-17-15. OPERATIONAL CHECK WAS GOOD.