As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 100 HR INSPECTION FOUND FATIGUE CRACKS ON FRAME MEMBERS OF FUSELAGE SECTION NR 8 AT MAIN LANDING GEAR FORWARD TRUSS MOUNTING BRACKET ON BOTH LEFT AND RIGHT SIDE. THESE CRACKS EMINATED FROM BOTTOM BOLT HOLES AND AT OUTSIDE FLANGE RADIUS OF FRAME. THEY BECAME VISIBLE AFTER TRAVELING PAST THE MOUNTING BRACKET (APPROX .5 INCH).