What was found
LEFT SIDE CABIN - STATION 960 TO 1019 LBL63 FLOOR STRUCTURE HAS SEVERAL FASTENER HOLES WITH CORROSION REMOVED CORROSION FROM CREASE BEAM I/B CHORD FROM STA 960 TO 1019, LBL 63 AND FOUND TO BE OUT OF LIMITS IAW B757 SRM 51-10-02-0G AND 53-40-13-1A, FIG 101, DETAIL VII, SHT. 4. ORIGINAL MATERIAL THICKNESS IS .070", REMAINING THICKNESS IS .055", .015" WAS REMOVED. REMOVED, FABRICATED NEW AND REPLACED THE L/H I/B CREASE BEAM CHORD, P/N 144N5152-1, STA 900 TO 1040, LBL 63 IAW BAC DWG 144N5140, REV. C AND FEDEX E.A. F-5310-T0372233-P1, TITLE: FUSELAGE - MAINFRAME - CREASE BEAM, STA 900 - 1040, LH AND RH SIDE, ALTERNATE FINISH.