As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THE AFT LAV HAS ELECTRIC SMELL FROM MIRROR LIGHT. MAINTENANCE TROUBLESHOT USING AIRCRAFT MAINTENANCE MANUALS. MAINTENANCE REMOVED AND REPLACED THE AFT LAV LIGHT BALLAST. OPERATIONAL CHECKS WERE MADE PER THE AIRCRAFT MAINTENANCE MANUALS AND AIRCRAFT RETURNED TO SERVICE.