What was found
MAIN CABIN DECK FRAME 27.4, Y2462 SEAT TRACK FLANGE CORRODED, INBD SIDE. FLANGE FOUND TO BE OUT OF LIMITS ON NR N00424. BLENDED CORROSION IAW-SRM-51-74-10, CHECKED LIMITS, AFT REWORK L=2" W=1" D=.014" AT Y2462. SEAT TRACK FRAME 27.4 FOUND TO BE OUT OF LIMITS IAW-SRM-53-10-16. CUT OUT DAMAGED SEAT TRACK IAW-SRM-53-10-16 FIG 208. FABRICATED NEW SEAT TRACK PN A53274005FSDAP BATCH 21202270, FRAME 27 - 28 IAW SRM-53-10-16 FIG 208. INSTALLED NEW SEAT TRACK IAW SRM-53-10-16 PAGE 208 FIG 201, REPAIR CLASSIFIED AS CAT A MAJOR REPAIR.