What was found
IN ICING CONDITIONS AT CRUISE CREW NOTICED A BURNING ODOR IN THE COCKPIT AND FWD GALLEY AREA AND AFTER LANDING PACK 2 OVERHEAT AND PACK 2 OVLD EICAS MESSAGES APPEARED. DURING T/S MX FOUND METAL SHAVINGS AT OUTLET SCREEN NR 2 PACK. PERFORMED FIM TASK FOR SMOKE/ABNORMAL ODOR IN CABIN/COCKPIT. 21-20-00-810-801-A AND FOUND FAILURE OF RT ACM IAW STEP 39 OF FLOW CHART, PACK WILL NOT BLOW HOT AIR. REF SEQ 1 LOGPAGE 129020 FOR PACK 1 AND 2 MEL. PACK 1 CURRENTLY ON MEL.