As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE, 2 CRACKS WERE FOUND ON LT WING LEADING EDGE RIB STA.XIS 137.0. ONE CRACK AT AFT UPPER END 3 FEET IN LENGTH, THE OTHER CRACK AT FWD UPPER END 1.50 INCHES IN LENGTH. BOTH CRACKS TEMPORARILY REPAIRED PER DOUGLAS TELEX 5-57-20-6 AND WILL BE INSPECTED EVERY 30 DAYS UNTIL REPLACED WITH NEW RIB. RETURNED A/C TO SERVICE.