As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED-BLD 1 OVTEMP WARNING APPEARED ON DEPARTURE DURING AFTER TAKEOFF FLOW FOLLOWING TURNING OFF THE APU. RETURNED TO MIA. CORR ACTION-MX CLEANED #1 BLEED FAN AIR VALVE FILTER AND PERFORMED OPS CHECK OF BLEED SYSTEM AND WING A/I BOTH PASSED NDN.