As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECIRC FAN FAILURE OF 1 OR MORE CABIN AIR RECIRCULATION FANS. STATUS DEFER FWD UPR RECIRC FAN INOP PER MEL 2125A. PULLED AND COLLARED PANEL P110 A21 FWD UPPER RECIRC INOPERATIVE AND DEACTIVATED. DF 439 DECAL INSTALLED ON OVERHEAD FAN SWITCH RECIRC. REPLACED UPPER FWD RECIRC FAN, OPS CHECK GOOD.