As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUMES WERE DETECTED IN THE AIRCRAFT UPON DEPARTURE. WE RETURNED FOR LANDING WITHOUT INCIDENT. UPON INVESTIGATION THE PART WAS SMELLING LIKE THE FUMES DESCRIBED. THERE WAS ALSO A FEW DROPS OF WATER, MOST LIKELY FROM A HEAVY RAIN THAT THE AIRCRAFT ENDURED A FEW HOURS PREVIOUS.