As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GNDED. SHORTLY AFTER TAKEOFF, CHEMICAL OR ELEC SMELL NOTED. STRONG IN AFT CABIN. DISSIPATED AFTER 10 MINS. ACCOMPLISHED JC 26L00021001. TROUBLE SHOT AIR QUALITY IN CABIN, COULD NOT DUPLICATE ODOR. R & R APU INTAKE DUCT SEAL & CABIN RECIRCULATION FILTER AS PRECAUTION.