As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MOST L/E RIBS CRACKED AT UPPER AND LOWER AFT CORNERS WHERE ATTACHED TO FWD HINGED HALF. 50 PERCENT TO LT WING RIBS WERE CRACKED AS WERE 90 PERCENT OF RT WING RIBS. THESE RIBS REQUIRED REPAIR AND REINFORCEMENT. OTHER ACFT MAY REQUIRE SIMILAR ACTION.