As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND A CRACK IN THE WALKWAY SKIN DOUBLER. AREA IS ALMOST IMPOSSIBLE TO VIEW BECAUSE THERE IS NO INSPECTION OPENINGS IN THIS AREA. CRACK WAS SEEN THROUGH A SMALL RIB CUT OUT AREA. SUBMITTER RECOMMENDS AN INSPECTION PLATE BE INSTALLED IN THIS AREA FOR INSPECTION. TOP SKIN IS NOT CRACKED, ONLY INSIDE DOUBLER. THIS IS WHERE PILOT STANDS TO OPEN AND CLOSE DOOR, APPROX 12 INCHES AFT OF MAIN SPAR.