As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF AT FL 340, RECEIVED A BRAKE DIFF TEMP. QUICKLY TURNED TO LEVEL 2 BRAKE OVERHEAT. COMPLIED WITH QRH AND TEMP DROPPED FROM HIGH OF 708 TO 80. TEMP IMMEDIATELY LOWERED UPON LOWERING LANDING GEAR. R & R NR 2 BRAKE TEMPERATURE SENSOR IAW AMM 32-46-01-2. TEMP INDICATED NORMAL AND EVENLY WITH THE OTHER BRAKES OK TO CONTINUE SERVICE.