What was found
BURNING ODOR IN CABIN AFTER ENG START, WIND BLOWING OFF SIDE NOT TAIL WIND, ODOR DISSIPATED BUT RETURNED AT 10,000 FT FOR APPROXIMATELY 5 MIN. ODOR SIMILAR WITH PROBLEM WITH PACKS. ACCOMPLISHED ABNORMAL ODOR INSPECTION IAW FIM TASK 21-20-00-810-801-A, FOUND NR 2 PACK MAKING NOISE AND CAUSING ODOR. R & R 2 ACM, WORKED IAW 21-51-05. OPS CHK, LEAK CHK GOOD.