What was found
LWR FUS EXTERIOR INTERNAL DOUBLER HAS A BREAKAGE AND 2 CRACKS OF 0.750" ON IT, BETWEEN STA 156.000 AND -165.000, NEAR DOOR 12 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 DATED 05-26-06, DWG W90-53-R21 REV IR DATED 05-11-06. REMOVED EXISTING INTERNAL REPAIR DOUBLER IAW SRM 51-1-21. CUT OUT DAMAGED SECTION AND FABRICATED EXTERNAL REPAIR DOUBLER (AL7075T6 0.063") INTERNAL REPAIR DOUBLER SEGMENT (AL7075T6 0.050") AND 4EA INNER STRAPS (AL7075T6 0.063") IAW DWG W90-53-R21. CLEANED, TREATED AND PRIMED AREA AND REPAIR PARTS IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW SRM 51-1-8B. INSTALLED REPAIR PARTS IAW DWG W90-53-R21, SRM 51-1-21, SRM 51-3-0, SRM 51-1-20D, SRM 51-3-1 (TORQUE).