What was found
CARGO SEAT TRACK CORRODED OUT OF LIMITS AT RBL9 BETWEEN 559+112-574. REMOVED CARGO SEAT TRACK, RBL9, FS 559+112-FS 574 IAW AMM 53-00-49-00-801. INSTALLED NEW FABRICATED SEAT RAIL AT RBL9, FS 559+112-FS 574 IAW AMM 53-00-49-400-801. COMPLIED WITH EC/TC EO 601R-53-00-485 AND GREO 601R-53-00-485, REV B.