What was found
DSM - FLT 4034 - ON CLIMB-OUT, HAD BLEED ONE LEAK WARNING AND A SMELL IN CABIN, THEN CARGO SMOKE WARNING INDICATION. CREW DISCHARGED BOTTLES IN CARGO AND RETURNED TO FIELD FOR MAINTENANCE. MAINTENANCE REPLACED GAMAH JOINT, O-RINGS, AND PROTECTIVE SLEEVE IN THE BLEED AIR DUCT SYSTEM IAW EMB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)REF SIMA3084.