What was found
SMELLED SMOKE IN COCKPIT FOLLOWED BY F/A REPORTING ODOR AND HAZE IN CABIN. DID EMERGENCY AIR RETURN TO DEPARTURE, PASSENGERS SMELLED SMOKE AS WELL. IAW TSM 05-50-00-810-831-A, CHECKED NR 1 & NR 2 ENGINE IAW TSM 71-00-00-810-801. OP'S CHECK GOOD, CHECKED FOR HYD LEAK EXTERNAL IAW AMM 29-00-0-790-001 AND GENERAL VISUAL OF APU IAW AMM 49-16-00, OPS CHECK GOOD. CHECK PACK 1 IAW TSM 21-00-00-810-801 FOUND ACM OF PACK 1. R & R NR 1 ACM IAW AMM 21-52-21. OPS CHECK GOOD, LEAK CHECK GOOD.