What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON BRAKET SUPPORT BAG LOC AT LEVEL FR76 BTW STR 29R TO STR 29L ON AFT CARGO COMPARTMENT. REPLACED SUPPORT BAG LOCATED AT LEVEL FR76 BTW STR 29R TO STR 29L ON AFT CARGO IAW E190 51-40-08 AND DRAWING 170-65110-453,170-65180-445.