As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* THE RH LOWER WING PLANK ACCESS HOLE FOR PANEL 640BB HAS CORROSION. (C-CHECK) RO 1/29/2020 REPAIRED RH LOWER WING PLANK ACCESS HOLE FOR PANEL 640BB REF REO. BLENDED AREA FOUND TO BE WITHIN LIMITS REF BOMBARDIER REO. SEE CONTINUATION CARD FOR DETAILS COMPLIED WITH ALL STEPS OF REO.