What was found
YYC - C4 FUSELAGE INTERIOR PASSENGER DOOR OPENING, LOWER SILL ASSEMBLY HAS PITTING CORROSION ON TOP SURFACE UNDER TEFLON RUB STRIP. REPAIRED IAW DHC-8-200 SRM 51-20-11, PAGES 1-11, 51-40-11 AND AMM 20-30-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - C4 FUSELAGE INTERIOR PASSENGER DOOR OPENING, LOWER SILL ASSEMBLY HAS PITTING CORROSION ON TOP SURFACE UNDER TEFLON RUB STRIP. REPAIRED IAW DHC-8-200 SRM 51-20-11, PAGES 1-11, 51-40-11 AND AMM 20-30-11.