As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - LAVATORY LIGHT IS INTERMITTENT WITH A SLIGHT SMELL OF BURNING ELECTRICAL WIRING. PULLED AND INSTALLED COLLAR ON CIRCUIT BREAKER TO LAVATORY LIGHT. REMOVED BULB FROM SOCKET ASSEMBLY, LOCKED AND PLACARDED LAVATORY DOOR. FOUND BROKEN PIN CONNECTOR. REPINNED THE CONNECTOR. OPERATIONAL CHECK IS GOOD. NO SMELL OF BURNING. AIRCRAFT RETURNED TO SERVICE.