As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT C-CHECK, 33 ENGINE HOLE WORN THROUGH FWD FIXED COWL AFT FLANGE. CUT OUT DAMAGED AREA, INSTALLED DOUBLER REPAIR AT INSIDE CHANNEL 6 X 6, FILLER 3 X 4. INSTALLED DOUBLER IN EXTERNAL SKIN PER SRM 54-30-1 DOUBLER 4 X 6, FILLER 1 X 2. N/R 6834.