As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A SKIN CRACK WAS IDENTIFIED IN THE AFT UNPRESSURIZED AREA OF THE FUSELAGE, RT ABOVE, LT PYLON. THE CRACK IS ABOUT 1.375" LONG LOCATED AT APPROXIMATELY FS 390.5 JUST AFT OF FRAME, REF DWG 265-313390. IT RUNS VERTICAL AND IS CENTERED AT APPROX. W/L +7.25". FURHTER INVESTIGATIONS REVEALED THAT THE CRACK IS ALONG THE EDGE OF THE CHEM-MILLED PART OF THE SKIN.