As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, A BURNING RUBBER SMELL WAS PRESENT WITH SLIGHT AMOUNT OF SMOKE, PRIMARILY AFT CABIN. SMOKE AND ODOR DISSIPATED WITHIN A FEW MINUTES . RT PACK PRESSURE WAS AT HIGH END OF SCALE.RAN BOTH PACKS ON GROUND. NO ODOR FROM PACKS INDIVIDUALLY. REMOVED AND REPLACED LT AND RT PACK COALESCER BAGS. OK FOR SERVICE, NO ODORS NOTED AFTER CHANGE OF BAGS.