As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MX INSPECTION, FOUND THE LT WING BETWEEN RIBS 4 AND 5 WATER DRAIN VALVE CUTOUT WITH CORROSION. PERFORM PERMANENT REPAIR IAW PART B OF EO E2-5700-488 AT PRIOR TO THE NEXT SCHEDULE C CHECK. TEMPORARY DISPOSITION FOR CORROSION DAMAGE TO THE LOWER LT WING BETWEEN RIB 4 & 5 WATER DRAIN CUTOUT E2-5700-488. THE ACFT WAS RETURNED TO SERVICE.