What was found
COURIER AREA AT FRAME 18 & 19, & -Y450 SEAT TRACK HAS CORROSION. REMOVED CORROSION FOUND TO BE WITHIN LIMITS. TREATED ALODINED, PRIMED & PAINTED IAW SRM 53-10-16 FIG 102. REMOVED CORROSION AT SEAT TRACK FLANGE FRAME 18, FOUND TO BE OUT OF LIMITS. FABRICATED REPAIR PARTS, TREATED, ALODINED & TOP COATED, INSTALLED IAW SRM 53-10-16 PAGE 236 FIG 206. REPAIR IS A CAT A MAJOR REPAIR.