As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW PERSONNEL REPORTED, HOT ELECTRICAL ODOR FROM FRONT LAV. MAINTENANCE DEPARTMENT PERSONNEL FOUND SMELL COMING FROM P4-32 BALLAST. REMOVED AND REPLACED LIGHT BALLAST, OPERATIONAL CHECK OF SYSTEM NORMAL. AIRCRAFT RETURNED TO SERVICE.