What was found
AIRCRAFT HAD A GROUND STRIKE AND SUDDEN STOPPAGE. ENGINE AND PROP DISASSEMBLED, INSPECTED, AND REASSEMBLED. AFTER 19 HOURS, OIL LEAK DEVELOPED FROM CRACK IN PAN. CRACK LOCATED 11 INCHES FROM FRONT OF PAN. BELIEVE THIS WAS CAUSED FROM PAN STRIKING ENGINE MOUNT CROSS BRACE. CRACK EXTENDED IN 4 DIRECTIONS. AIRCRAFT LANDED WITH OUT DAMAGE TO ENGINE. REPLACED OIL PAN WITH NEW LIKE ITEM. THIS IS THE SECOND OIL PAN (NOT SAME ACFT) IN 4 MONTHS. THE FIRST WAS NOT DUE TO SUDDEN STOPPAGE. DIFFERENT ACFT, SAME TYPE.