What was found
DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON L2 MOP SILL AT DOOR OPENING. REMOVED MOP SILL, LOCATED AND DRILLED HOLES, AND INSTALLED PER SRM 51-10-02 AND 51-40-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON L2 MOP SILL AT DOOR OPENING. REMOVED MOP SILL, LOCATED AND DRILLED HOLES, AND INSTALLED PER SRM 51-10-02 AND 51-40-02.