As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON T/O ROLL, STRONG CHEMICAL ODOR. ROLLED TEMP SELECTOR BACK, ALL 3 LOOKED A/S INDICATOR, 100 KT. CONTINUED TAKEOFF SMELL DISSIPATED. C/W B737 FIM TASK 21-00-00-810-806 AND EVERYTHING CHECKS NORMAL. NO ODORS OR ABNORMAL READINGS USING PTRAK TOOL.