As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSPECTION, A CRACK 3.25 INCHES LONG WAS FOUND IN LT WING REAR SPAR. THE CRACK STARTED AT FLAP PULLEY BRACKET, P/N 0460205-102, AND EXTENDED OUTBOARD, RUNNING HORIZONTALLY 3.25 INCHES. INBOARD HALF OF SPAR WAS REPLACED AND ACFT RETURNED TO SERVICE. CRACK POSSIBLY CAUSED DUE TO COLD WORKING OF THE SPAR BY THE FLEXING OF THE BRACKET DURING FLAP CYCLES.