As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 2000 ON AP W/E & W ANTI-ICE ON, FLAPS DOWN, WHEN THROTTLES CAME BACK NR 2 BLD INLINE FOR ANTI-ICE. AT 500 23 SEC LATER MDC SMOKE RED ECAM WARN. *S/D* REMOVED AND REPLACED NR 2 PACK COALESCER BAG PER MM 21-51-16-3. REPLACED NR 1 CONTROLLER PER MM 36-11-19-4. NR 2 SYS NEEDS CONTROLLER (P/N 627248-1).