What was found
UPPER CARGO BELOW FLOOR PANELS BETWEEN BS-1197 & BS-1605 , S88L-S88R CORROSION ON NUMEROUS CLIP NUTS AT UPPER CHORDS. FLOOR LOCK PLATES, FLOOR PANEL FASTENER LOCATIONS. R & R CORRODED CLIP NUTS IAW SRM 51-40-02. R & R CORRODED FLOOR LOCK PLATES AND SEAT TRACK BEAM AT STA 1480-1520, LBL 70 IAW SRM 51-40-02, CORRODED LEVEL 2, PN: 3658-53-00-90518 SEAT TRACK BEAM, LOC: 1480 TO 1520 LBL70. ACFT WAS GROUNDED.