As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE INSPECTION, TWO CRACKS WERE FOUND EMANATING FROM A FWD TRUNNION SUPPORT FASTENER HOLE ON THE RT CLOSE OUT RIB (P/N 5122155-56.) THE CRACKS MEASURED .250 IN LENGTH. UPON REMOVAL OF THE CLOSE-OUT RIB, IT WAS DETERMINED THE AFT ROW OF FASTENER HOLES IN THE FWD TRUNNION SUPPORT WERE NO LONGER IN TOLERANCE FOR THEIR ATTACHING HARDWARE.