What was found
CORROSION ON COUNTERSINK AND SETTLEMENT AREA AT WING ACCESS PLATE NR 1478C. CORROSION WAS REMOVED, MEASURED SETTLEMENT WAS ACCOMPLISHED ORIGINAL THICKNESS IS .150", REMAINING THICKNESS IS .138", THEREFORE IT IS WITHIN LIMITS, COUNTERSINKS WERE MEASURED AND MAXIMUN DIAMETER ALLOWABLE IS .532" AND WAS FOUND 1 COUNTERSINK OUT OF LIMITS, MEASURE .545" THEREFORE HOLE AND COUNTERSINK WERE REWORKED AND MEASURED WITH ID .608" COUNTERSINK AND HOLE .346", BUSHING WAS FABRICATED OD .347" AND COUNTERSINK .509", AREAS AND BUSHING WERE TREATED AND BUSHING WAS INSTALLED IAW SRM 51-22-2A, COND II AND 51-10-3.