As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. DURING APPROACH FLIGHT ATTENDANTS REPORTED A BURNING ODOR. THE POWER PORT SYSTEM WAS DEACTIVATED AND THE ODOR DISSIPATED. MAINTENANCE REMOVED AND REPLACED A BROKEN POWER PORT OUTLET AT SEAT 10F IAW AMM 44-21-15. SYSTEM CHECKS NORMAL.