What was found
YYC - C4 LEFT HAND CENTER WING, LADDER PLATE UNDER PANEL 522AT HAS FRETTING DAMAGE BETWEEN YW 62 - YW 77. REPAIRED IAW RD8-57-1471 AND SRM 51-20-36.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - C4 LEFT HAND CENTER WING, LADDER PLATE UNDER PANEL 522AT HAS FRETTING DAMAGE BETWEEN YW 62 - YW 77. REPAIRED IAW RD8-57-1471 AND SRM 51-20-36.