What was found
FAULT: STR, Z100, RAT SURROUND STRUCTURE BRACKET HAS CORROSSION STA 1244 RBL 57.5 REMOVED BRACKET CORRODED AT STA 1244 RBL 57.5 OUTBD TEE AT RAT DOOR CUTOUT IAW 757-200PF SRM 51-40-02-0G-0.RECEIVED FROM FAB SHOP NEW BRACKET P/N: UP-149N7720-35, P.O. #: PFB00 00501, TRAVELER #: T25/1809238.INSTALLED NEW BRACKET AT RAT SURROUND STRUCTURE STA 1244 RBL 57.5 IAW 757-200PF SRM 51-40-02.