AN ACR FLC FAILED TO MAKE A XING RESTR. FO (PF) RECEIVED THE CLRNC WHILE CAPT (PNF) WAS OFF FREQ; AND SET FMC AND MODE CTL PANEL INCORRECTLY. CAPT DID NOT DETECT ERROR IN FO'S BRIEFING; AND ATC INTERVENED.

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BEFORE LETDOWN; CAPT LEFT ATC FREQ TO OBTAIN IAH ATIS INFO AND MAKE IN-RANGE CALL TO COMPANY. WHILE CAPT WAS OFF ATC FREQ FO RECEIVED CLRNC TO CROSS BUMBY AT 10000 FT. FO MISINTERPRETED THE CLRNC TO BE GENBE AT 10000 FT AND SET THE FMC AND MODE CTL PANEL FOR THAT CLRNC. CAPT WAS BRIEFED BY THE FO ON THE CLRNC. NORMAL FLT PROCS WERE FOLLOWED AND IN-RANGE CHKLIST DONE. NO PROB WAS NOTED UNTIL ATC ASKED IF WE WOULD BE ABLE TO MAKE 10000 FT AT 35 DME NE OF IAH AND THEN ADVISED OF WHAT THE CORRECT CLRNC HAD BEEN. ALL DRAG WAS USED BUT IT WAS IMPOSSIBLE TO MAKE THE XING RESTR AT THAT POINT AND RESULTED IN XING THE FIX HIGH. FLT CONTINUED WITH NO FURTHER PROBS. A POSSIBLE WAY TO PREVENT THIS SIT FROM OCCURRING IN THE FUTURE ON 2 PLT ACFT WOULD BE TO HAVE THE PLT OFF FREQ BRIEFED ON ANY CLRNC RECEIVED AND THEN HAVE THAT PLT VERIFY THE CLRNC WITH ATC. SUPPLEMENTAL INFO FROM ACN 304698: AFTER SEVERAL CLRNC CHANGES; FINALLY CLRED TO CROSS BUMBY INTXN ON BATSN 3 ARR INTO IAH AT 250 KTS AND 10000 FT. I MUST HAVE ENTERED THE ALT NEXT TO THE 250 KT SPD IN THE DATABASE FOR GENBE INTXN. EVEN THOUGH WE WERE BUSY; I SHOULD HAVE DOUBLE-CHKED MY ENTRY IN THE FMS.