As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FLT 2151 - AFTER TAKEOFF, CREW NOTED A RUBBER LIKE SMELL IN THE CABIN. FLIGHT RETURNED TO CLT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED TROUBLESHOOTING PER THE MM. NO PROBLEMS WERE FOUND. AS A PRECAUTION, THE WATER SEPARATOR BAGS WERE CHANGED. (M)