As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN FLIGHT DECK AT CRUISE. SUSPECT PACK #1'S ACM TO BE INOP CAUSING SMOKE TO UNIT IN FLIGHT DECK. AIR COND PACK ELECTRO/MECH N600-N649. FACT 29SEP25 05:36 MDT FOUND ACM TURBINE RUBBING. R & R NR 100 ACM IRT AMM 21-51-03. R & R NR 100 HEAT EXCHANGER IRT AMM 21-51-02 DUE TO HISTORY. OPS AND LEAK CHECK GOOD.