What was found
DURING ROUTINE C CHECK, LT FUSELAGE NOSE SECTION HEAT EXCHANGER COMPT, LWR AFT JAMB CORNER ACS MODIFICATION DOUBLER REINFORCEMENT DOUBLER CRACKED 1/2 INCH STA 12.000 L-27L. PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 06119 DATE 03-07-06 SEMAN DWG NR ED 4183 DATE 03-02-06, EO SEMAN 2006141 DATE 03-07-06. REMOVED EXISTING REPAIR DOUBLER IAW DC8 SRM 51-1-21. PERFORMED NDT INSPECTION IAW DC8 NDT SPM PART 06-10-01-001. FABRICATED REPAIR DOUBLER, REPAIR TRIPLER, AND FILLER IAW SEMAN DWG NR ED 4183. 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 SEMAN DWG NR EO 4183, DC8 SRM 51-1-21, DC8 SRM 51-1-20D, DC8 SRM 51-