As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED, BRAKE DIFF TEMP L1 CLIMBING THRU 12,000 FEET #5 BRAKE APPEARED TO BE DRAGGING ON T/O AP THE TEMP REACHED 370 DEG AND WAS CLIMBING RAN L1 CHECKLIST THEN DROPPED GEAR FOR COOLING MAX TEMP WAS 410 DEG DECREASED TO 300 QUICKLY WITH GEAR DOWN AT 16,000R/R BRAKE ASSY REF 32 43 20 R/R #5 MLG TIRE REF 32 41 01 OPS CHECK GOOD AT THIS TIME