What was found
AFTER E-1 START, SMOKE IN FLIGHT DECK AND CABIN. PULLED BOTH "T" HANDLES,(DID NOT BLOW BOTTLES), AND EVACUATED THROUGH PAX DOOR AND GALLEY DOOR. NO ABNORMAL ENGINE INDICATIONS. FACT 24JAN25 02:57 CLT REMOVED PACK 1 ACM REF AMM 21-51-03 (SS) FACT 24JAN25 02:57 CLT INSTALLED PACK 1 ACM AND R+R HEAT EXCHANGER IAW AMM 21-51-02 AND 21-51-03 23JAN25 15:41 CLT C/W FIM TASK 21-20-00-810-801-A STEPS 1-8. FOUND PACK 1 ACM SEIZED WITH BLADE FAILURE. PERFORMED ENGINE RUN IAW MX OPS MANUAL. OPERATED PACK 1 ON SEPARATE BLEED SOURCES (ENG & APU) WITH NO DEFECTS NOTED. ALL EMERGENCY EXITS PERFORMED AS DESIGNED