As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL-CLT - FLT 8911 - AIRCRAFT DEVELOPED A STRONG ODOR IN THE CABIN AND A SLIGHT ODOR IN THE COCKPIT AFTER TAKEOFF. THE FLIGHT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE RAN THE ENGINES AND THE BLEEDS FOR 30 MINUTES. NO ODORS NOTED. OK FOR SERVICE. (M0