As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE FROM A/C DUCT UNDER LAVATORY SINK. FOUR INCH FLAME AFTER SMOKE APPEARED. ROTTEN ODOR DETECTED, COULD NOT IDENTIFY. REMOVED DAMAGED DROPPED AISLE LIGHT FROM THE AFT LEFT SIDE OF AISLE. INSTALLED A NEW DROPPED AISLE LIGHT. OPS CHECKED GOOD, NO DEFECTS NOTED.