What was found
NR 3 ENG NACELLE INLET COWL UPPER SURFACE WORN AT 12 O'CLOCK POS STA YN 147.534 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW DC8-70 SRM 71-5-2 FIG 2 (SHEET 1-2). REMOVED FASTENERS IAW SRM 51-1-21A. CUT OUT DAMAGED SECTION AND FABRICATED SKIN (AL2024T3 0.080") AND SPLICE (SHEET CRES 0.050" TYPE 17-7 PH) IAW DC8-70 SRM 71-5-2 FIG. 2 SHEET 1-2. HEAT TREATED SPLICE FROM CRES 17-7PH TO CRES 17-7PH (H1050) IAW SRM 51-1-6. CLEANED, TREATED AND PRIMED AREA AND SKIN INNER FACE 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.