What was found
YYC - C4 MAIN CABIN DOOR STEP INTERNAL STRUCTURE LOWER CROSS MEMBER, FORWARD ATTACH FITTING HAS AREA OF CORROSION. REPAIRED IAW DHC-8-200 AMM 20-14-01, PAGE 202, PARAGRAPH 3.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - C4 MAIN CABIN DOOR STEP INTERNAL STRUCTURE LOWER CROSS MEMBER, FORWARD ATTACH FITTING HAS AREA OF CORROSION. REPAIRED IAW DHC-8-200 AMM 20-14-01, PAGE 202, PARAGRAPH 3.