As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK IN WING SKIN, EMANATING FROM NOSE PIECE SUPPORT OF AUTO FLAGGER. THIS ITEM INSTALLED IN WING SKIN AFT OF FRONT SPAR. SUBMITTER STATED DRAWING REQUIRES THIS ITEM BE LOCATED/INSTALLED IN UPPER REAR FLANGE OF FRONT SPAR: FOLLOW INSTRUCTIONS WHEN INSTALLING EQUIPMENT!! FLAGGER PN MDL4, SN 6323.