As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MX INSP FOUND THE RT WING INBD AFT WATER DRAIN VALVE WITH CORROSION. THE ACFT WAS REMOVED FROM SERVICE. CLEANED AND TREATED RT WING INBD AFT WATER DRAIN VALVE NO MATERIAL WAS REMOVED IAW SRM 51-21-42. THE ACFT WAS RETURNED TO SERVICE.