What was found
DURING CLIMB, AIRCRAFT RETURNED TO DEPARTURE DUE TO CABIN SMOKE ODOR, AT STATION. PERFORMED FIM 21.20.00.810.800A, AND FOUND ACM 1 DAMAGED. R & R THE ACM 1 IAW AMM 21.51.05 AND PERFORMED OPS CHECK IAW AMM 21.51.00.710.801A, OK NORMAL. THE ACFT RETURN TO NORMAL OPERATION.