What was found
MCN - MAJOR REPAIR - DURING C18 CHECK DISCOVERED EXFOLIATION CORROSION ON SEAT TRACK AT BS 903 AND BL 45L. CORROSION WAS REMOVED AND FOUND TO BE OUT OF LIMITS IAW BOEING 737-300 SRM 53-00-52-1A-1 FIG 101. DAMAGED SEAT TRACK WAS REMOVED IAW BOEING 737-300 SRM 51-40-02-0G FIG 8. FABRICATED REPAIR SPLICE PLATE AND SEAT TRACK IAW BOEING 737-300SRM 51-40-05-0G FIG 2 AND SRM 53-60-52-01 FIG 1. INSTALLED REPAIR PARTS AT BS 903 AND BL 45L IAW BOEING 737-300 SRM 53-00-52-2R3 FIG 201.