What was found
AFTER CLEANING ENGINE WITH FOAMING DEGREASER ( VERY EFFECTIVE ), NOTED SLIGHT OIL STAIN ON CYLINDER CASTING. BETWEEN 5-6 & 6-7TH FIN- CLEANED MULTIPLE TIMES, MORE EXPANDING OILY SEEPS- VERY SLIGHT- PRESSURE CHECKED CYLINDER, NO AIR LEAKAGE- WAS NEVER ABLE TO VISUALLY IDENTIFY ACTUAL CRACK DUE TO DEPTH OF ARE AND REDUCED ACCESS, BUT SEEP WAS NEW. MY DETERMINATION WAS EITHER SEPARATION IN PROCESS, FATIGUE CRACKS, OR POROSITY OPENING UP. REMOVED CYLINDER FROM SERVICE-