What was found
UPPER CHORD CORRODED ON REAR SPAR TO WING TE BEAM, AT STATION 285, AT AFT END AS SEEN UNDER INBD END OF NR 6 SPOILER. REMOVED TE BEAM ASSEMBLY, R & R UPPER CHORD, PN 113T1623-141, WITH SERVICEABLE CHORD, INSTALLED TE BEAM ASSEMBLY IAW SRM 51-40-2. CORRODED LEVEL 2, PN 113T1623-141, PART NAME UPPER CHORD, EXACT FS & BS LOCATION ON ACFT & EXACT STRINGER & WS LOCATION ON ACFT, WS 285 - 285. ACFT WAS GNDED.