What was found
AIRCRAFT 166 WAS IN FOR A STRUCTURAL INSPECTION. WHILE IN MAINTENANCE, THE RT TRUSS WAS DISCOVERED TO HAVE A CRACK AT THE INBOARD AND OUTBOARD UPPER COWLING SUPPORT BRACKETS. REMOVED AND REPLACED THE RT TRUSS. REPORT STATES THAT VENDOR FOUND THE TRUSS CRACKED AT BOTH UPPER COWLING BRACKETS. VENDOR PROCEEDED TO REPAIR TRUSS SUPPORT BRACKET MOUNTS BY FABRICATING AND INSTALLING REPAIR DOUBLERS AND FILLERS ON UPPER COWLING BRACKETS IAW REPAIR DRAWING SR-CO-00012 REV B. DATED 12-10-02. COMPLIED WITH "H" CHECK INSPECTION IAW REPS SRM. VISUALLY VERIFIED THE COMPLETION OS SB 71-3024 AND SB 71-3144 REV "I" HAS BEEN PREVIOUSLY COMPLIED WITH IN ACCORDANCE WITH AD 2001-22-16. P