As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: JUST BEFORE TOUCHDOWN A PUFF OF SMOKE AND AN ELECTRICAL BURNING ODOR CAME FROM BELOW SEAT 20A. MAINTENANCE ACCOMPLISHED JOB CARD 26L0002100 AND NOTED AN ELECTRICAL SMOKE ODOR COMING FROM THE. SEAT ELECTRICAL BOX IN FRONT OF 20A. FURTHER EVALUATION REVEALED CONNECTOR J12 PINS WERE DAMAGED. **INITIAL REPORT AALA202108139882: REPLACED J12 HARNESS AND SEAT ELECTRICAL BOX (AALA202108161830) PER THALES AMM 44-24-32.