What was found
YYC - C4 CREW ESCAPE HATCH AFT HINGE FITTINGS WORN ON TOP EDGE. REPAIRED IAW RD 8-52-813, ISSUE 1 AND HORIZON AIR EA 2-52-232.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - C4 CREW ESCAPE HATCH AFT HINGE FITTINGS WORN ON TOP EDGE. REPAIRED IAW RD 8-52-813, ISSUE 1 AND HORIZON AIR EA 2-52-232.