What was found
SHIP 383 LH WING UPPER SURFACE REAR SPAR BETWEEN RIB 4 AND RIB 5 FOUND WITH CORROSION AROUND FASTENERS. CORRECTIVE ACTION: LH WING UPPER SURFACE REAR SPAR BETWEEN RIB 4 AND RIB 5 CORROSION REMOVED. DEETAILED VISUAL INSPECTION CARRIED OUT ON CORROSION REMOVED AREA TO ENSURE NO MORE CORROSION. CARRIED OUT HFEC SURFACE INSPECTION ON REWORK AREA - FOUND NIL CRACK AND NIL CORROSION INDICATION. ULTRASONIC THICKNESS MAPPING CARRIED OUT AT CORROSION REMOVED LOCATIONS AND DETAILS REPORTED TO LIASON ENGINEERING. REPAIRS CARRIED OUT AS PER ER/A 607291-14. (2696344)