What was found
INSPECTION TYPE:N/A ATB - CLIMB APPROX PAST 4000FT ECAM MASTER CAUTION CARGO LOOP 1 FAULT INDICATED. INDICATION WENT AWAY BEFORE CKLIST ACCOMPLISHED, APPROX 5 SECS LATER ECAM MASTER WARNING INDICATED SMOKE. CREW DONNED O2 MASK & GOGGLES PER CKLIST; INDICATION WENT AWAY. FOLLOWED BY CARGO LOOP FAULT INDICATION. ACCOMPLISHED BITE TEST OF SMOKE DET CNTRL BOX-50WU2-R&R ON LOG PG 042140 DUE TO FAILED TEST. ACCOMPLISHED ADJ/TEST ON MAIN SMOKE DET SYSTEM PER MM 26-19-00-05. NO DEFECTS NOTED. SUSPECT SNOW ON CANS AND DE-ICING FLUID.