What was found
LOWER FUSELAGE COWL FLANGE ANTI-CHAFE AREA IS WORN, AFT OF BULKHEAD (MARKED STA 1343). REMOVED FASTENERS LWR FUSELAGE AFT BULKHEAD STA 1343 IAW B727 SRM 51-30-2. CUT OUT DAMAGE AREA IAW B727 SRM 54-10-3 FIG 1 DIM 6.25 X .5 INCHES. FABRICATED ANGLE REPAIR FROM 7075-0 .063" PO 9002827 DIM 18 X 2.25 INCHES IAW B727 SRM 53-10-2 FIG 6 AND 51-40-4 FIG 1 FILLER FROM 7075T6 .050 PO 6149108 DIM 6.5 X .75 INCHES. HEAT TREATED PART TO T6 CONDITION IAW FLIGHTTSTAR AIRCRAFT SERVICES ENGINEERING REPORT 2-37153-801-1 REV IR. TREATED & PRIMED ANGLE & FILLER IAW B727 SRM 51-10-2. INSTALLED ANGLE & FILLER LWR FUSELAGE COWL AFT OF BULKHEAD STA 1343 IAW B727 SRM 54-10-3.