As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT WING BODY OVERHEAT ILLUMINATED WHILE CLIMBING THROUGH FL185 AND REMAINED ON EVEN WITH BLEED AIR OFF. LEFT WING BODY OVERHEAT ILLUMINATED WHILE TAXING IN WITH ALL TEMPS SET TO AUTO. REMOVED AND REPLACED OVERHEAT DETECTION SENSING ELEMENT M273 IAW B737 AMM 26-18-11, WING TO BODY BITE / OPS CHECKS PERFORMED AND PASSES WITH NO DEFECTS NOTED. THIS CLEARS DMI #40600066, PLACARDS REMOVED, OPS CHECK DONE IAW B737 AMM 26-18-00.