What was found
MAIN CABIN FLOORBEAM HAS CORROSION AT BS 947.05 AND RBL 51. GROUNDED - YES. REMOVED CORROSION FROM FLOORBEAM IAW SRM 51-10-02. CORROSION REMOVAL BEYOND LIMITS IAW SRM 53-70-51-1A-1, ORIGINAL THICKNESS 0.180 WITH 0.149 REMAINING , 0.031. REMOVED FLOORBEAM UPPER CHORD AND FABRICATED NEW CHORD, REPAIR SPLICES, REPAIR STRAPS , AND REPAIR SHIMS IAW SRM 53-70-51-2R-5. ALODINED AND PRIMED IAW SRM 51-20-01. INSTALLED NEW UPPER CHORD AND REPAIR PARTS IAW SRM 53-70-51-2R-5.