What was found
YYC - C4 RIGHT HAND WING UPPER ACCESS 622AT, COUNTERSINK HOLES HAVE FRETTING CORROSION. REPAIRED IAW RD8-57-1715.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - C4 RIGHT HAND WING UPPER ACCESS 622AT, COUNTERSINK HOLES HAVE FRETTING CORROSION. REPAIRED IAW RD8-57-1715.