As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUSPECTED FRETTING CORROSION ON LT WING ACCESS PANEL 525AT. ACFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 525AT IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 525AT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .125". ALODINED AND PRIMED PANEL 525AT IAW 8/4-57-442.