What was found
MAJOR REPAIR - DURING ROUTINE SCHEDULED MAINTENANCE A CRACK WAS FOUND IN THE CARGO DOOR FRAME AT THE UPPER FORWARD CORNER AT A LATERAL STOP APPROXIMATELY 1.10 INCH. MAINTENANCE REPAIRED THE CARGO DOOR AT THE LOWER AFT LATERAL STOP POSITION NR 1. APPROXIMATELY 8.5 INCH BY 7.5 INCH IAW EMB SRM 52-30-02. DOUBLER MADE OF 7475-T761, .063 INCH, SEALANT MIL-S-81733 TYPE IV, RIVETS MS20470AD4-X & MS20470AD5-X. INSTALLED NEW T-SECTION P/N 120-19391-601 WITH NEW HARDWARE HC22-5-X AND COLLARS P/N NC77-5. SEALED WITH, MIL-S-81733 TYP EIV. STOP DRILLED CRACK IAW EMB 120 SRM 51-10-03.