As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CONDUCTING INSPECTION OF THE ENGINE FIREWALLS. WHEN REMOVING THE NR 1 INLET CHANNEL (PN 713M2077101)FOR INSPECTION AND SAW THAT IT WORN A HOLE INTO THE SKIN OF THE DRIVE SHAFT TUNNEL. WHILE CLEANING AND INSPECTING THE DAMAGE AREA FOUND THAT THE SAME SKIN IS ALSO CRACKED. THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION AWAITING A REPAIR PROCEDURE FROM THE OEM.