What was found
CARGO SEAT TRACK CORRODED OUT OF LIMITS AT LBL9, BETWEEN 559+80-559+96. REMOVED CARGO SEAT TRACK, LBL9, FS 559+80-559+96 IAW AMM 53-00-49-000-801. INSTALLED NEW FABRICATED CARGO SEAT TRACK AT LBL9, FS 559+80-559+96 IAW AMM 53-00-49-400-801. COMPLIED WITH EC/TC REO 601R-53-00-485 AND GREO 601R-53-00-485, REV B, DATED 04/01/2016.