What was found
SHIP 8117 -IFSD/DIV- A/C DIVERTED TO DTW DUE TO LOW QUANTITY/PRESSURE ON LEFT ENGINE, ENGINE WAS SHUT DOWN IN FLIGHT PER QRH. CORRECTIVE ACTION: FOUND THE LP43 OIL LINE CRACKED. REPLACED LINE AND PERFORMED WINDMILL INSPECTION. RAN ENGINE NO VIBRATION ALL PARAMETERS NORMAL LEAK CHECKED GOOD. (LP# 9350870)