What was found
NR 4 ENG RT NOSE COWL UPPER EXTERNAL SKIN WORN AT STA YN 147.534 AT 12 O'CLOCK POS (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW SRM 71-5-2 FIG 2 SHEET 1.2. REMOVED FASTENERS IAW SRM 51-1-21, CUT OUT DAMAGE SECTION AND FABRICATED NE SKIN AND SPLICE IAW SRM 71-5-2 FIG 2 SHEET 1-2 SRM 51-1-4. HEAT TREATED SPLICE FROM 17-7PH-ST TO 17-7 PH-TH1050 IAW SRM 51-1-6. CLEANED, TREATED, PRIMED AREA AND NEW SKIN IAW SRM 51-1-8B. INSTALLED REPAIR PARTS IAW SRM 71-5-2 FIG 2 SHEET 1-2 SRM 51-1-11 SRM 51-1-21A.