What was found
LWR FUS EXTERIOR MODIFICATION DOUBLER (ACS) ON HEAT EXCHANGER AFT UPPER CORNER AT STA -12.000 L-24L CRACKED 0.600". PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 DATED 05-23-06, DWG W90-53-R22 REV IR DATED 05-11-06. REMOVED FASTENERS IAW SRM 51-1-21. CUT OUT DAMAGED SECTION AND FABRICATED REPAIR DOUBLER (AL2024T3 0.050") REPAIR TRIPLER (AL2024T3 0.063") AND FILLER (AL2024T3 0.100") IAW DWG W90-53-R22. CLEANED, TREATED AND PRIMED AREA AND REPAIR PARTS IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW SRM 51-1-11. INSTALLED REPAIR PARTS IAW DWG W90-53-R22, SRM 51-1-21, SRM 51-3-0, SRM 51-1-20D, SRM 51-3-1.