What was found
CORROSION ON FLOOR TO SIDEWALL SUPPORT TOP AND BOTTOM SURFACES AROUND NUTPLATES BS 727B PLUS 9, BS 767, RBL 21, WL 156 (FOUND TO BE OUT OF LIMITS IAW SRM 53-60-53). REMOVED DAMAGED AREA, FABRICATED, INSTALLED REPAIR SUPPORT IAW SRM'S 53-60-53, 51-20-01, 51-40-02.