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 1/8 INCH CRACK WAS FOUND ON NR 1 ENGINE RT FORWARD COWL LOWER ZEE ANGLE AT RIB 7, NAC STA 151. MAINTENANCE CUTOUT CRACK ON RIB 7; FABRICATED A REPAIR DOUBLER; INSTALLED REPAIR PART IAW B737-200 SRM 54-40-03, FIG. 001.