As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL BURNING SMELL IN CABIN DURING TAKE OFF. INSPECTION OKAY AT THIS TIME. CONDUCTED HIGH POWER RUN. NO SMELL NOTED DURING MULTIPLE CONFIGURATIONS OF BLEED AIR AND PACK SELECTIONS. NO OIL OVER SERVICING NOTED ON #1 ENGINE, #2 ENGINE OR APU. NO LEAKS NOTED ON PACK 1 OR PACK 2. INSPECTED CABIN LIGHTING SYSTEM. NO DEFECTS NOTED.