What was found
FLT JB1762 SJU-FLL AIR TURN BACK TO SJU, CREW REPORTED AT CLIMBOUT THROUGH 10000 FT SMELL AND VISIBLE INDICATION OF SMOKE IN COCKPIT AND CABIN. AIRCRAFT RETURNED TO SJU AND ACCOMPLISHED EVACUATION L1, L2 R1 AND R2 DOOR SLIDES DEPLOYED. MX PERFORMED AMM FIM 21-20-810-801-A FOR SMOKE/SMELL IN PAX CABIN AND COCKPIT DETECTED METAL SMELL IN CABIN PRESENT WHEN NR 1 PACK RUNNING. STATIC TORQUE CHECK OF LT PACK ACM FAILED. REMOVED AND REPLACED NR 1 PACK ACM PER AMM 21-51-05-04, LEAK CHECK AND OPS CHECK NORMAL.