What was found
DURING ROUTINE C CHECK INSPECTION, NOSE SECTION, DOUPLER ANTENNA FRAME WITH 02 CRACKS 2" EACH ONE. REMOVED DOUPLER ANTENNA FRAME (CRACKED) IAW DC-8 SRM 51-1-21 PAGE 1. FABRICATED NEW DOUPLER ANTENNA CAP IAW DWG DOUGLAS NR 561601 (ALCLAD 7075 T6 0.125). PERFORMED HEAT TREATMENT IAW DC-8 SRM 51-1-1 PAGES 1,13,17. CLEANED, TREATED AND PRIMED IAW DC-8 SRM 51-1-8B. INSTALLED NEW CAP IAW DC-8 SRM 51-1-2 PAGE 1.