As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS NOTICED ODOR SIMILAR TO ELECTRICAL SMELL AFTER APPROXIMATELY 12:45 OF FLIGHT IN MID CABIN. ODOR DISSIPATED AFTER IFE SYSTEM TURNED OFF. ACCOMPLISHED SMOKE ODOR FUMES JOB CARD 72L00021001 AND FOUND LEFT LOWER RE CIRCULATION FAN AT FAULT CAUSING ODOR. REMOVED AND REPLACED LOWER LT RE CIRCULATION FAN PER AMM 21-25-07.