I want to search with RETCODE & find 5 lines above beginning with NE : . Is there any way to do it with grep?

**NE : TALS1_TO**Report : +++    TALS1_TO        2021-01-25 02:02:18O&M    #806356831%%/*1884960535 MML Session=1611550934*/MOD CELL:LOCALCELLID=2,CELLNAME="QALS12",ULEARFCNCFGIND=NOT_CFG,DLEARFCN=3375,ULBANDWIDTH=CELL_BW_N75,DLBANDWIDTH=CELL_BW_N75;%%**RETCODE = 1967128781  The EARFCN of the current cell cannot be changed because the cell is configured as an inter-frequency neighboring cell for an intra-eNodeB cell.**