As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT 6700, L/P 3636166) L/H PACK PUTTING OUT HOT AIR IN AUTO. BURNING SMELL. DIRTY SOCK SMELL. OPERATING L/H PACK IN STBY MODE IS A LITTLE BETTER.FOUND BROKEN, L/H PACK BAY. REPLACED BROKEN L/H PACK HEAT EXCHANGER INLET DUCT PER B757 AMM 21-51.