What was found
DURING CHECK-C MAINT, FOUND LOWER AFT CORNER OF SERVICE DOOR FRAME, OUTSIDE SKIN, WITH 1 INCH CRACK FROM FASTENER HOLE EDGE OF FRAME TO HOLE AND COMES OUT OF HOLE SRO207, 4 INCH UP FROM LONGERON 18R. STARTS AT EDGE OF FRAME. REPAIRED CRACK PER ARA 15866.