What was found
FUSELAGE SKIN AT STR 27, FS 978-982 HAS AREA WITH A CHAFE FROM A SCREW, AN AREA OF CORROSION AROUND THAT SCREW AND AN AREA EXTENDING FROM THAT CORROSION WITH MISSING PAINT THAT HAS BEEN POORLY BLENDED AND TREATED. C-CHECK RO 12/24/2020. REPAIRED FUSELAGE SKIN AT STR 27 FS 978-982 CHAFE WITH AREA OF CORROSION AROUND THAT SCREW AND BEYOND, IAW BOMBARDIER REO & SKY CARD INSPECTION DUE IN 40000 FLIGHT CYCLES FROM NOW AT 66347 FLIGHT CYCLES WITH A REPEAT EVERY 40000 FLIGHT CYCLES. WEIGHT CHANGE IS AFFECTED FORM 337 IS ATTACHED.