What was found
LEFT BLEED DUCT WARNING MESSAGE ON CLIMB OUT AT 12000 (FLIGHT 6234). ON ARRIVAL TO ACFT NO CURRENT WARNING MESSAGE WAS PRESENT. INTERROGATED MDC FOUND B1 007182. PERFORMED BLEED LEAK TEST IAW FIM 36-21-01. BLEED LEAK TEST PASSED. CHECKED EVENT LOCATION HISTORY & FOUND A HIT ON MT 141 AT 0% WITH A HIT COUNTER OF 4 ON FLIGHT LEG 2203 IN CORRELATION WITH B1 CODE THAT WAS FOUND. RAN BOTH LT & RT PACKS, PERFORMED GVI OF BLEEED DUCTS & FOUND LEAK IN BLEED DUCT, DUE TO BLEED LEAK EVENT LOCATION HISTORY R & R AILC IAW AMM 30-12-12. PERFORMED BITE TEST OF AILC BITE TEST PASSED AT THIS TIME. NO CURRENT FAULTS NOTED AT THIS TIME. NO OTHER DEFECTS NOTED AT THIS TIME.