As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT FLIGHT ATTENDANT REPORTED BURNING RUBBER ODOR IN FWD GALLEY. PACK 1 OFF. FUME DISSCIPATED. APPLIED FUMES IN CABIN AND COCKPIT PROCEEDURES. -PERFORMED PACK BURN OUT ON BOTH #1 & #2 ENGINES AS A PRECAUTION IAW AMM 21-00-00 AND TSM 21-21-00