What was found
RUDDER L/E FRONT SPAR FWD NOSE RIB WEB CRACK 1.500 STA ZR 71.000 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW DOUGLAS DWG 5700556, JC EA55100012-001-D. REMOVED DAMAGED RIB IAW SRM 51-1-21 PG. 1. FABRICATED NEW RIB (AL2024"O" 0.063) IAW DWG 5700556, EA SEMAN 20051035, SRM 55-6-1 FIG. 2 SHEET 2 ITEM R, SRM 51-1-4. HEAT TREATED IAW SRM 51-1-1 PG. 1,13,17 TO T4. PERFORMED NDT INSP IAW NDT SPM PART 08-00-02 TO 07. CLEANED, TREATED AND PRIMED AREA AND NEW RIB IAW SRM 51-1-8B. INSTALLED NEW RIB IAW SRM 51-1-21 PG.1. FOR RIB FABRICATION REFER TO JC EA55100012-001-D.