What was found
INSPECTION TYPE:1C REPAIR SEQUENCE 258-S4-01, AT UPPER AFT RUDDER STA ZAR514, NOT CORRELATED TO MD-11 SRM, WRONG THICKNESS IN DOUBLER. REMOVED DOUBLER, FABRICATED AND INSTALLED NEW REPAIR DOUBLER IAW EO MD11-5540-34663-A AND SAA EA 011-5540-01-A1976.