As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT WING, LOWER WING PLANK ACCESS HOLE CUTOUT AT 510AB HAS PITTING CORROSION AT THE INBOARD AND OUTBOARD RADIUS LOCATIONS. C-CHECK RO 11/11/2020. COMPLIED WITH REO. MAJOR REPAIR COMPLETED TASK CARD & ATTTACHED COMPLED FORM M-337. NO WEIGHT CHANGE.REFER TO ATTACHED CONTINUE CARD FOR DETAILS OF WORK PERFORMED.