What was found
2 EACH SHORT SEAT TRACKS CORRODED ON RBL9 AND BETWEEN FS 559+90 TO FS 570. EVALUATED CORROSION ON SEAT TRACK & FOUND TO BE OUT OF LIMITS IAW SRM 53-21-49 CORROSION BLENDED IAW SRM 51-21-06 SRM 53-51-49 TO USE SRM 53-21-49 FOR ALLOWABLE DAMAGE LIMITS. COMPLIED WITH EC/TC REO 601R-53-00-485 BY FABRICATION 2 SEAT RAILS RBL9, FS 559+90 TO FS 550 IAW GREO 601R-53-00-485, REV A. REMOVED SEAT TRACKS AT RBL9, FS 559.90-570.00 IAW AMM 53-00-49-000-801. INSTALLED NEW FABRICATED SEAT TRACKS RBL9, FS 559+90-570 IAW AMM 53-00-49-400-801.