As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACKS FOUND ON RIB NR 12 ON RIGHT SIDE AND RIB NR 13 ON LEFT SIDE. LT RIB CRACKED THROUGH 4 RIVETS HOLES ON TOP SKIN, LENGTH OF CRACK WAS 5 INCHES. RT RIB CRACKED THROUGH 1 RIVET HOLE, LENGTH OF CRACK WAS 2 INCHES. CRACKS WERE FOUND DURING COMPLIANCE WITH AD 2001-21-01 AND DORNIER SB228-234.