What was found
DURING ROUTINE C CHECK, RT FUSELAGE NOSE SECTION. HEAT EXCHANGER COMPT LWR AFT JAMB CORNER ACS MODIFICATION DOUBLER REINFORCEMENT DOUBLER CRACKED 1/2 INCH STA 12.000 L-27R. PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 06130 DATE 03-15-06 SEMAN DWG NR ED 4184 DATE 03-10-06, EO SEMAN 2006142 DATE 03-15-06. REMOVED EXISTING REPAIR DOUBLER IAW DC8 SRM 51-1-21. TRIMMED OUT DAMAGED AREA IAW SEMAN DWG NO ED-4184. PERFORMED NDT INSPECTION IAW DC8 NDT SPM PART 06-10-01-001. FABRICATED REPAIR DOUBLER & REPAIR TRIPLER & FILLER IAW SEMAN DWG ED 4184. CLEANED, TREATED AND PRIMED AREA & REPAIR PARTS IAW DC8 SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW DC8 SRM 51-1-11. INSTALLED REPAIR PARTS IAW DC8 SRM 51-1-21, SE