As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ONT- NOTICED A BURNING SMELL IN THE CABIN AREA FORWARD TO THE GALLEY AREA. MAINTENANCE INSPECTED AND FOUND THE SMELL TO BE COMING FROM THE INSULATION IN THE OVERHEAD AREA. VENTILATED AIRCRAFT. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.