What was found
FORWARD CARGO DOOR LOWER SILL BEAM UPPER SURFACE CORRODED AT AFT REPAIRED FORWARD CARGO DOOR LOWER SILL BEAM UPPER SURFACE, HIGH FREQUENCY, NO CRACKS NOTED. INSTALLED NEW FASTENERS IAW SRM 51-40-02. INNER CHORD, PART LOCATION: FLC STA 624-628 AT RBL44, PN: 143T8004-2, DAMAGE SIZE-2.5" INBD-OTBD 4.0" FWD-AFT, .045 IN DEPTH. WORK ACCOMPLISHED IAW REO-G20085 AND REA 8653-62033MR. ACFT WAS GROUNDED.