What was found
L1 DOOR SILL BEAM WAS CORRODED AROUND THE FWD GIRT BAR FITTING AFT INBD ATTACH HOLE & THE AFT FITTING AFT INBD & OTBD ATTACH HOLES. HOLES WERE SPOT FACED & REPAIR WASHERS INSTALLED IAW SRM 53-11-14 PARA 4 E FIG 108. MINIMUM MATERIAL THICKNESS AT SPOT FACES IS 0.180 INCHES WITH MINIMUM ALLOWABLE BEING 0.148 INCHES. AREA REQUIRES REINSPECTION IAW SR I53-11-14-1-001-00 PARA 3 A TBL 102. INITIAL INSP TO BE ACP 60000C FROM TIME OF ACFT FIRST FLIGHT WITH SUBSEQUENT INSP TBD. CURRENT PTC IS 17218C.