What was found
DURING C-CHECK, CABIN FS 500 FRAME CRACKED JUST ABOVE FLOOR LEVEL, 3.8125 INCHES ABOVE FLOOR LEVEL BETWEEN STR 17R - STR 18R. CUT OUT DAMAGED AREA PER SRM 51-40-3. FABRICATED DOUBLER 7075-T6.063 BY 10.50 INCH BY 4.50 BY 1 INCH PER SRM 51-40-3, AND INSTALLED IT AT FS 500 3.8125 INCHES ABOVE FLOOR LEVEL BETWEEN STR 17R AND STR 18R PER SRM 51-40-3 AND SRM 51-30-2. TAT: 53,881.4 HRS. TAC: 36.380.