What was found
NRC 1000-0004: (S/M 141-1) EXTERNAL FUSELAGE SKIN INTERNAL SURFACE, CORROSION FOUND BTW FR 64-65 AND BTW STGR 43L-43R. / EXTERNAL FUSELAGE SKIN INTERNAL SURFACE BTW FR 64-65 AND BTW STGR 43L-43R NO DAMAGE ALLOWED ON INTERNAL SURFACE OF EXTERNAL SKIN AS PER PER SRM 53-41-11-283-065 REV 144. EXTERNAL FUSELAGE SKIN BTW FR 64-65 AND BTW STGR 43L-43R PERMANENETLY REPAIRED PER SRM 53-00-11-300-010 REV 144. MAJOR REPAIR CATEGORY ""C"". BLEND DIMENSION, LENGTH: 2.000 INCH, WIDTH: 1.800 INCH, DEPTH: 0.030 INCH. MECHANICALLY MEASURED WITH DIAL DEPTH GAUGE, ID PA102684, DUE DATE: NOV/02/2023. SEE AWS AND NDT REPORT MWO54246-4 FOR STEP REPAIR DETAILS AND ALLEGIANT FORM FOR RE-INSPECTION DETAILS."