What was found
YVR - MAJOR REPAIR - DURING C-15 CHECK GALVANIC CORROSION WAS FOUND ON SPLICE AT AFT CARGO COMPARTMENT BILGE, BS 900, STR 27 LT. MAINTENANCE REMOVED CORRODED STRINGER SPLICE AT BS 900, STR 27 L/H, AND TRIMMED AWAY CORROSION ON STRINGER ENDS; PERFORMED HFEC INSPECTION OF TRIM TO VERIFY NO CRACKS EXIST; FABRICATED SHIMS, AND A NEW REPLACEMENT STRINGER SPLICE PER DWG 65-45776; INSTALLED REPAIR PARTS IAW AWA E.R. 15-5361-03119-SS3.