A B737 CREW ON ARR TO SAT RESPONDED TO A TCASII CLB RA.

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FLT HRL-SAT 6000 FT ON LEMING 1 ARR. WE WERE ON A 310 DEG HDG OFF OF ELKAY INTXN FOR A VISUAL OR ILS APCH TO RWY 12R SAT. SAT APCH CTL RPTED VFR TFC AT OUR 1 - 2 O'CLOCK POS RESTR AT 5500 FT PASSING R TO L. WE WERE IN THE TOPS OF A BROKEN CLOUD LAYER AND COMMENTED TO EACH OTHER THAT IT WAS GOING TO BE HARD TO SEE THE ACFT AND WE DOUBTED THAT HE WAS ACTUALLY COMPLYING WITH FAR CLOUD SEPARATION CRITERIA. AT ABOUT THE SAME TIME WE RECEIVED A TCASII RA. MY MAP MODE WAS SELECTED ON THE 10 MI RANGE AND I SAW A TARGET ON THE NOSE OF OUR ACFT 400 FT BELOW US IN A CLB. THE CAPT COMPLIED WITH THE RA AND TOLD APCH WE HAD AN RA AND WERE CLBING. AS WE STARTED THE CLB WE HEARD A CRASH IN THE FORWARD GALLEY. THE HEAD FLT ATTENDANT FELL AND HURT HER HAND. WE RETURNED TO OUR ALT AND CONTINUED FOR LNDG. PARAMEDICS WERE CALLED FOR THE FLT ATTENDANT. I DO NOT BELIEVE THE OTHER ACFT WAS COMPLYING WITH FARS. I ALSO THINK HE WAS PROBABLY CLBING TO AVOID A CLOUD TOP AND CLBED INTO OUR PATH. THE ACFT WAS A KING AIR TWIN ENG TURBOPROP.