What was found
INSPECTION TYPE:SIP NR 1 PYLON AFT BULKHEAD LT LOWER, OUTBOARD CORNER CHAFED. MECH REQ. BULKHEAD MIL & NDT WERE DONE TRAV T6/641813, GUSSETS WERE FABBED REF TRV T6/6411937, FILLER WAS FABBED REF T6/641939. LOCATED AND DRILLED GUSSETS AND FILLER, TREATED AND PRIMED GUSSETS. INSTALLED GUSSETS AND FILLER PER FINAL EA 757-5453-27-A1578. REPAIR INSTRUCTIONS 1-8 AND UPS EO B757-5410-25535-A.