What was found
ETOPS SIGNIFICANT SYS - BTB - ENG 2 BLEED FAULT ECAM MESSAGE, CAME ON SHORTLY AFTER ENG START. PERFORMED FIM 36-11-81, BMC 2 BITE CHECKED, NO FAULTS FOUND, RAN ENGINES, NO FAULTS FOUND, SWAPPED NR 1 & NR 2 PACK CONTROLLERS IAW AMM 21-51-00. OPS CHECK GOOD.