What was found
REPLACE RECIRC FILTERS DUE TO ODOR EVENT REPLACED RECIRC FILTER IAW AMM 21-25-01. NO DEFECTS NOTED. FA AND PAX SMELLED SOMETHING LIKE BURNING RUBBER APPEARED TO BE STRONGER IN AFT CABIN. DEBRIEFED CREW. CREW STATED INITIALLY SMELLED BURNING RUBBER SMELL IN FLT DECK & THEN AFTER COUPLE MINS IN AFT GALLEY AFTER TAKE-OFF. ENGINE BLEEDS WERE OFF DUE TO MEL. ONLY APU BLEED WAS ON FOR T/O FOR PRESSURIZATION. AFTER TAKE OFF, NO VISIBLE SMOKE WAS NOTED ONLY TASTED RUBBER/FUEL SMELL MOSTLY IN AFT GALLEY. WILL REQUIRE CONDITIONAL INSPECTION REF AMM 05-51-26-800-801-C1. COMPLETED CONDITIONAL INSPECTION REF 05-51-26-800-801-C1 EXCLUDING ENGINE BLEED PORTION DUE TO R/H PACK BEING INOP. REF L/P 6684171 FOR FINDINGS.