As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT WAS BEING MODIFIED IAW CK-159-3 KIT "UPPER DECK NOSE GEAR RETRACTION SUPPORT STRUCTURE MODIFICATION". MULTIPLE CRACK INDICATIONS WERE NOTED EXTENDING FROM EXISTING FASTENER HOLES AND PANEL CUTOUT RADIUS LOCATIONS IN THE 310181-97 AVIONICS DECK PANEL UNDER THE FWD NOSE GEAR RETRACT SUPPORT AREA CHANNEL.