As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH AFTER GEAR DOWN APPROX 1300 FT, LOUD BANG FOLLOWED BY AIR CONDITIONING SMOKE ON TOUCHDOWN AND B-AREA OVERHEAT. FOUND INLET DUCT GOING TO NR 2 ACM SEPARATED WILL NEED DUCT, GASKETS, AND HARDWARE. LOCKED OUT NR 2 PACK FLOW CONTROL VALVE PER MEL 21-21-01B.