As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-16 CHECK A 1 INCH CRACK WAS FOUND ON NR 2 ENGINE LT FORWARD COWL INNER SKIN UNDER UPPER FORWARD SAFETY LATCH. MAINTENANCE CUTOUT CRACKED SKIN ON NR 2 ENGINE LT FORWARD COWL INNER SKIN NAC STA 120 RT; FABRICATED A DOUBLER, SHIM AND FILLER; INSTALLED REPAIR PARTS IAW B737-200 SRM 54-10-3, PG. 3-4, FIG. 2.