What was found
DISCREPANCY: DURING C-CHECK AT COMMERCIAL JET IN KDHN, CORROSION FOUND ON FUSELAGE SKIN INTERNAL DOUBLER AT DRAIN VALVE MOUNTING SURFACE AT STATION 157 CORRECTIVE ACTION: : COMMERCIAL JET IN KDHN TRIMMED OUT DAMAGE AND PERFORMED AN HFEC INSPECTION OF REPAIR AREA, FABRICATED A REPAIR DOUBLER FROM 2024-T3 0.071” AND FILLER FROM 2024-T3 0.063”. DEBURRED, TREATED, PRIMED AND INSTALLED REPAIR PARTS IAW FVC EO 22121-1. ALL WORK APPROVED BY 8110-3 DATED 8/4/2022 ROBERT M. MANASHI DERT 710167-SW