What was found
MAIN CABIN FLOOR BEAM T-CAP CORRODED AT BS 324, RBL 50 - RBL 60. REMOVED DAMAGED SECTION OF T-CAP AND MACHINED A NEW CHORD AND SPLICE ANGLE & INSTALLED PER SRM 53-10-08, REPAIR 1. PER SRM, TABLE 202, THIS IS A CAT B REPAIR AND REQUIRES FUTURE NDT INSPECTIONS BEGINNING AT 37,500 TOTAL AIRFRAME CYCLES, AND EVERY 12,000C THEREAFTER. CURRENT PTC IS 21462.