What was found
YYC - C3 LEADING EDGE 511AL HAS CORROSION IN ATTACHMENT SCREW COUNTERSINK HOLES. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801 AND 51-25-10-370-801.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - C3 LEADING EDGE 511AL HAS CORROSION IN ATTACHMENT SCREW COUNTERSINK HOLES. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801 AND 51-25-10-370-801.