What was found
AFT LOWER CARGO CTR BILGE AREA RT STATION 1263 AT STRINGER 35R AREA THERE IS CORROSION AT THE FLOORBEAM UPPER CHORD NUTPLATES. R & R UPPER CHORD IAW 51-40-02. CORRODED LEVEL 2, PN 146T1209-5146T5000-15 & 16, PART NAME INNER CHORD & SUPPORT, CARGO CONTAINER ABOVE 35L & 36L AT STATION 1263, SN NSN, FS & BS LOCATION STATION 1263 TO 1285, STRINGER & WS LOCATION STRINGER 34L TO 34R. ACFT WAS GNDED.