What was found
DURING CHECK-C MAINT THE AFT CARGO DOOR SILL THRESHOLD HAD CORROSION UNDER THE SILL PLATE SUPPORT. REPLACED SUPPORT WITH (P/N 5936660-67). REPLACED RIVETS AND BOLTS PER SRM 51-30-02 AND 51-30-0.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CHECK-C MAINT THE AFT CARGO DOOR SILL THRESHOLD HAD CORROSION UNDER THE SILL PLATE SUPPORT. REPLACED SUPPORT WITH (P/N 5936660-67). REPLACED RIVETS AND BOLTS PER SRM 51-30-02 AND 51-30-0.