What was found
DURING M CHECK, WHEN PERFORMING EM 5753-01164 (A330 SB 57-3124 R3), CORROSION WAS FOUND AT BORE WALL AND BOTH SPOT FACES OF LH RIB 6 FWD LUG. CORROSION HAS BEEN REMOVED BY OVERSIZING AND SPOT FACING AS PER R575-58471 ISSUE D. THE BORE DIAMETER PRIOR TO THE FINISH CUT WAS 160.20MM WHICH EXCEEDS THE AIRBUS RI R575-58471 ISSUE D MAX BORE DIAMETER. FABRICATED FORWARD BUSH 'D' AND 'E' AND INSTALLED PER ER/A 582254-14AD. LP 1356201