As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/AIN FLIGHT AT FL 370"L RECIR FAN " EICAS MESSAGE ILLUMINATED ON AND OFF NUMEROUS TIMES AND N/S WITH MLP PANEL LIGHT GOING TO BRIGHT. DEFERRED LH RECIRCULATION FAN IAW MEL 21-25-1-2 DMP C/W.REPLACED LEFT CIRCULATION AIR FAN. OPS CK GOOD, REF 757 AMM 21-25-01. THIS CLEARS M 708114. DMP REVERSED & PLACARD REMOVED. ESR: IPC 21-58-06-05.