As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUMES IN COCKPIT ON TAKEOFF ABORTED T/O PERFORMED QRH DUCT (LEFT) OVERHEAT ON TAXI OUT ASSOCIATED WITH AIR CONDITIONING / ABORTED TO SP:115 WT:138. REMOVED AND REPLACED LT DUCT OVERTEMP SENSOR, REF B737 AMM 21-61 RAN ENGINE AT TAKEOFF POWER, NO UNUSUAL SMELL NOTED "DUCT OVERTEMP" LIGHT EXTINGUISHED DID NOT ILLUMINATED AT T/O POWER.