As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH THE CREW NOTICED SOME SMOKE IN THE COCKPIT AFTER FLAP SELECTION - FLIGHT DECLARED AN EMERGENCY WITH ATC - LANDED NORMALLY FOUND NR 2 ACM MISSING A TURBINE BLADE. REPLACED ACM & DUAL HEAT EXCHANGER AS PER AMM 21-51-004,21-51-04. LEAK CHECK C/O. NO LEAKS, CONSIDERED S.VC