As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS DURING A SCHEDULED 1-C INSPECTION THE NR 1 FANCASE TO BYPASS HAD CORROSION. MAINTENANCE CLEANED UP THE CORROSION. APPLIED CHEMICAL FILM COATING TO THE MAGNESIUM IAW RR AE3007A MM 70-00-00-300-818 AND APPLIED CORROSION RESISTANT PAINT IAW EC7220-01009. ALL WORK WAS ACCOMPLISH AND WILL BE RELEASED UPON COMPLETION OF THE C-CHECK INSPECTION.