What was found
SHIP 199 DURING HCK AT STAG, CORROSION WAS NOTED NEAR PREVIOUS FUSELAGE SKIN REPAIR PER ER/A 577274-14 REV ORIGINAL. ER/A WAS REVISED TO ACCOMPLISH SECTION III REPAIR. FOLLOW ON ACTION IS REQUIRED FOR SECTION IV REPEAT INSPECTIONS. CORRECTIVE ACTION: ACCOMPLISH SECTION IV INSPECTION BY 37,500 TOTAL A/C CYCLES (21,776 CYCLES FROM SECTION III REPAIR), THEN EVERY 12000 CYCLE INTERVALS THEREAFTER. LATEST REVISION OF ER/A 577274 IS REV A. (2677405)