As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON BOARDING THE ACFT, STRONG ODOR THROUGHOUT THE AIRPLANE AND ON THE JETWAY. THE ACFT WAS POWERED BY THE JETWAY FOR ELECTRIC AND APU FOR AIR. ACCOMPLISHED J/C26L00021001 ODOR FUMES INITIAL TROUBLESHOOTING AND J/C26L00021002 FOR THE APU SMOKE ODOR AND J/C26L00021004 FOR DECONTAMINATION OF THE ENVIORMENTAL CONTROL SYSTEM. SOURCE TO BE GLYCOL IN THE APU INLET. NO FURTHER ODOR NOTED.