What was found
AFT MDCC SEAT TRACK NR1 (Y-0) HAS CORROSION AT FWD END 10" TO 12" FROM FR 71 (APPROX 4 SQ INCHES). REMOVED OLD SEAT TRACK SECTION, NR1 (Y -0) BETWEEN FR 66 & FR 73. FABRICATED AND INSTALLED NEW SEAT TRACK SECTION, NR1 (Y -0) BETWEEN FR 66 & FR 73 USING THE ORIGINAL SPLICE SECTIONS IAW SRM 53-10 16, FIG 101.