What was found
(AIRCRAFT NOT GROUNDED) (DEFECT DISCOVERED DURING AC HEAVY MX VISIT) NRC 2000-0024: 1570-38 (S/M) AT L1 LOWER DOOR CUTOUT, CORROSION FOUND AROUND FWD OUTBD AND FWD INBD HOLES AND AROUND AFT OUTBD AND AFT INBD HOLES OF SILL BEAM AT FR20 & FR16. / LH CUTOUT DOOR LOWER SILL BEAM AFT GIRT BAR AREA (FR20 & FR16), ALL 4 HOLES PERMANENTLY REPAIRED PER SRM 53-11-14-283-005 REV.159. REPAIR CATEGORY B, SEE SRI 53-11-14-205-001 REV.159 FOR INSPECTION REQUIREMENTS, INSPECTION THRESHOLD: 60000FC FROM AIRCRAFT FIRST FLIGHT, SUBSEQUENT INSPECTIONS INTERVALS: TBD, INSPECTION METHOD: TBD. . REFER TO AWS AND NDT REPORT FOR DETAILS OF WORK ACCOMPLISHED. SEE NRC 4003323-2000-0001 FOR GIRT BAR FITTING INSTALLATION.