As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C IS IN ANNUAL FOR USA CERT. DURING INSPECTION FOUND STAB LT OUTTER RIB CRACKING AT BALANCE WEIGHT ATTACHMENT POINTS. RIB HAS 3 CRACKS WORKING AFT FROM FORWARD END OF RIB. CRACKS RANGED FROM 12 MM TO 23 MM IN LENGTH. LARGEST TRACKING THROUGH LOWER FORWARD RIVET/NUT FOR BALANCE WEIGHT ATTACHMENT.