As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAN - FLT 3047 - CREW REPORTS BURNING SMELL IN CABIN. EMERGENCY WAS DECLARED AND AIRCRAFT WAS LANDED SAFELY. MAINTENANCE REMOVED AND REPLACED BALLAST FOR LIGHT AT SEAT 3B. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)