What was found
DURING HEAVY MAINTENANCE CHECK, CORROSION WAS FOUND OUT OF LIMITS IN THE FORWARD MAIN CABIN SEAT TRACK, STA 380 RBL 24. REMOVED CORROSION PER SRM 511006. REMOVED DAMAGED SEAT TRACK PER SRM 513002. FABRICATED PER SAMPLE FROM BAC 1520792. TREATED AND PRIMED PER SRM 512002 AND MM 511002. INSTALLED IAW SRM 531005.