What was found
IN CRUISE FLIGHT AT ABOUT 24K, FLIGHT DECK HAD SMOKE ACCUMULATION FROM DUCTS NEAR DV WINDOWS ON BOTH SIDES. MASKS WERE PUT ON, NO LOSS OF PRESSURIZATION, SMOKE STARTED TO DISAPATE, STARTED DESCENT AND SELECTED DUMP. FACT 09NOV23 03:37 BHM INSPECTED AND FOUND PACK 1 AT FAULT. #1 ACM IS SWELLED OUT AND LOCKED UP. SEE 306033-3 FOR #1 ACM WRITE UP AND MEL INFO