As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ODOR IN CABIN. STARTED AT CLIMBOUT. PUT PACK FLOW TO HIGH, ODOR NOT AS BAD DURING CRUISE. DURING DESCENT, THE ODOR WAS STRONG AGAIN. FLIGHT ATTENDANTS STATED ODOR WAS THROUGHOUT THE FLIGHT. ACCOMPLISHED A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM IAW JC 26L00021004. NO ODOR NOTED. OK FOR SERVICE. AIRCRAFT WAS GROUNDED.