What was found
DIVERTED BECAUSE OF CABIN ODOR OF BURNING RUBBER. UPON ARRIVAL, FOUND PIECE HANGING OFF NR 1 ENGINE RESECURED NR 1 END T/R SEAL IAW CMM 78-11-11. PERFORMED GENERAL VISUAL INSPECTION OF CABIN WITH NO DEFECT OR ODORS NOTED. IAW TSM 05-50-00-810-831-A PERFORMED OPS CHECK OF PACK 1 & 2 SEPARATELY WITH APU BLEED AIR IAW 21-58-00. NO DEFECT NOTED. PERFORMED ISOLATED PACK OPERATION WITH ENGINE BLEED AIR IAW AMM 36-11-00. FOUND PACK 2 WITH ENGINE 2 BLEED AIR PRODUCED ODOR IN REAR OF CABIN. PERFORMED DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM OF PACK 1 AND 2 IAW AMM 21-00-00. OPS CK AND LEAK CHECK GOOD.