What was found
LEFT WING LWR LE UPPER RIB AT STATION 486 FWD END CORRODED NEAR NR 5 SLAT OTBD AUXILIARY TRACK. BLENDED AREA FOUND TO BE OUT OF LIMITS IAW SRM 57-40-09. REPLACED RIB IAW REA B657-60930. PN 114T2204-15, SDR INFO CORRODED, PN 114T2204-15, PART NAME LE UPPER RIB, SN N/A, FS & BS LOCATION 486 TO 486. ACFT WAS GNDED.