What was found
NUMBER 2 AFT PYLON ASSEMBLY, INBD LOWER BEAM IS CHAFED ON FWD END. R & R NR 2 AFT PYLON ASSEMBLY INBD LOWER BEAM PN 313T1380-244 IAW SRM 51-40-02, PN 313T1380-244, PART NAME BEAM. CHAFED DAMAGE BEYOND LIMITS, SN NSN, EXACT FS & BS LOC ON ACFT NAC STATION 308. ACFT WAS GNDED.