What was found
NUMBER 4 SLAT TE WEDGE UPPER SURFACE IS DELAMINATED AT INBD END. REMOVED SKIN, FOUND ADDITIONAL CORROSION. CUSTOMER REQUEST SLAT REPLACEMENT, TO BE REPLACED ON NR 0152. SDR INFORMATION, CORRODED PN 114T4104-21A, SN 000094, PART NAME SLAT, STRINGER & WS LOC 642 TO N616. ACFT WAS GNDED.