What was found
ENROUTE, CREW EXPERIENCED AN ODOR OF SMOKE AND HAZE IN THE COCKPIT. COMPLIED WITH AOM VOL 1 PROCEDURES, DECLARED AN EMERGENCY AND DIVERTED. CRF CLEARED THE AIRCRAFT. DURING TROUBLESHOOTING FOR SMOKE & FUMES, FOUND NR 1 BLEED DUCT CRACKED AT ELBOW NEAR ROW 17 - 18 WHERE DUCT TRANSITIONS TO BELLY OF AIRCRAFT. R & R THE DUCT ASSY IAW AMM 36-11-09. DURING TROUBLESHOOTING OF SMOKE/FUMES IN COCKPIT NOTED THAT THE NR 1 ACM APPEARS SEIZED, IT IS NOT DWG AIR IN AND THERE IS LITTLE AIR FLOW COMING OUT THE EXHAUST. R & R NR1 PACK ACM IAW 21-51-03, AMM. OPS CHECK, LEAK CHECKS GOOD.