As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ELECTRICAL BURNING SMELL BETWEEN ROWS 10 AND 12. NOTICED POWER PORTS INOPERATIVE IN ROW 12DEF. PERFORMED VISUAL INSPECTION FROM ROW 9DEF-13DEF FOR WIRES/OUTLET/ISPS UNIT. PER AMM 23-81-00. OPERATIONAL CHECK GOOD, NO SOF NO FAULT FOUND.