What was found
YYC - C4 LEFT WING OUTBOARD FLAP, TOP SKIN, INBOARD EDGE AT STATION YW178 HAS BEEN WORN THROUGH. REPAIRED IAW DHC-8-200 SRM 51-20-11AND 57-50-16.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - C4 LEFT WING OUTBOARD FLAP, TOP SKIN, INBOARD EDGE AT STATION YW178 HAS BEEN WORN THROUGH. REPAIRED IAW DHC-8-200 SRM 51-20-11AND 57-50-16.