What was found
YYC - C4 RIGHT HAND WING ACCESS PANEL 622AT COUNTER SINK SCREW HOLES HAVE FRETTING CORROSION. REPAIRED IAW RD 8-57-1715, ISSUE 3, DHC-8-200 SRM 51-20-16, PARAGRAPH D AND DHC-8-200 MM 20-32, PAGES 1-3.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - C4 RIGHT HAND WING ACCESS PANEL 622AT COUNTER SINK SCREW HOLES HAVE FRETTING CORROSION. REPAIRED IAW RD 8-57-1715, ISSUE 3, DHC-8-200 SRM 51-20-16, PARAGRAPH D AND DHC-8-200 MM 20-32, PAGES 1-3.