As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. STRONG ELECTRICAL ODOR NOTED AROUND R2/L2 AREA AND AFT SECTION OF FIRST CLASS. RECIRCULATION FAN WAS MANUALLY TURNED OFF AND ODOR WENT AWAY. REMOVED AND REPLACED UPPER FORWARD RECIRCULATION FAN IAW AMM 21-25-01. OPERATIONAL CHECK GOOD.