What was found
LCQ - MAJOR REPAIR - "C" DURING C-14 CHECK CORROSION WAS FOUND ON SEAT TRACK AT BS 328, RBL 42. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS OUT OF LIMITS IAW B737-200 SRM 53-10-1, FIG 4, PG. 18. REMOVED DAMAGED SECTION OF SEAT TRACK, FABRICATED NEW SECTION OF SEAT TRACK AND INSTALLED REPAIR IAW B737-200 SRM 51-30-2, PG. 13 & 14.