As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FRAME 75 VERTICAL FITTING AND ADJACENT SKIN ARE SHOWING SIGNS OF FRETTING AT EDGES. REMOVED FITTING, BLENDED OUT DAMAGE, PERFORMED DYE PEN INSPECTION AND RE-INSTALLED FITTING IAW EC5310-01317 AND SRM 51-40-02. AIRCRAFT RELEASED FROM C-CHECK AND RETURNED TO SERVICE.