What was found
MAIN CARGO DECK SEAT TRACK EVIDENCE OF CORROSION ON UPPER SURFACE AT NUMEROUS LOCATIONS BS 1015 TO BS 1075 RBL 26 CORROSION REMOVED IAW SRM 51-10-02 REV 125 AND FOUND TO BE OUTSIDE LIMITS IAW SRM 53-00-51-1A DETAIL III REV 125 NOMINAL THICKNESS OF UPPER CHORD = 0.090" MAX ALLOWABLE BLEND = 10% = 0.009" ACTUAL MAX BLEND DEPTH = 0.024" FLOOR BEAM UPPER CHORDS REPLACED IAW BOEING DWG #144N8017,111N5201, 143N570 AND SRM 51-40-02 REV 125 BS 900 T0 BS 1080 RBL 26