What was found
MAIN CABIN COMPARTMENT FLOOR STRUCTURE, FR79-80 O/B LH Y1580.5 "Z" PROFILE CRACKED. REMOVED PROFILE AT -STR-ZONE-200. MAIN CABIN COMPARTMENT FLOOR STRUCTURE, FR79-80 O/B LH Y1580.5 "Z" IAW 51-40-21. INSTALLED NEW PROFILE IAW SRM 51-40-21.