SCT CTLR VOICED CONCERN REGARDING ACR'S TURN TO DOWNWIND AT LAX INTO OPPOSITE DIRECTION TFC; UNSURE IF CTLR OR FLT CREW WAS CAUSAL FACTOR.

Narrative

THIS IS THE SECOND NIGHT IN A ROW WHILE WORKING THE STADIUM SECTOR THAT AN ACFT HAS TURNED UNEXPECTEDLY ON THE DOWNWIND TOWARDS THE FINAL INTO THE PATH OF STRAIGHT IN TFC. FORTUNATELY THE STRAIGHT IN TFC WAS HIGH ENOUGH THAT I COULD RESTRICT THEIR ALT TO TURN THE DEVIATING ACFT BACK TO THE DOWNWIND. I QUERIED THE COMMUTER JET WHY THEY HAD TURNED AND THEY SAID THEY WERE JUST COMPLYING WITH THE STAR (SADDE6 ARR) WHICH DOES SAY TO TURN AT THAT POINT. THE PREVIOUS CTLR WAS SUPPOSED TO ISSUE A HDG TO MAINTAIN AFTER SANTA MONICA INSTEAD OF FLYING THE STAR. I HAVE BROUGHT IT TO THE ATTN OF THE OPERATIONAL SUPVR WHO WAS 'GOING TO LOOK INTO IT.' SINCE THERE WAS NO LOSS OF SEPARATION THIS WILL PROBABLY NOT BE LOOKED AT AS AN ISSUE AND NOT RESEARCHED CLOSER FROM A TRAINING OR SYS PERSPECTIVE. I BELIEVE IT IS A RESULT OF OUR AREA BEING SPLIT UP AND HAVING CTLRS WORK THIS POS WITHOUT A THOROUGH TRAINING EXPERIENCE. SADLY; SOME OF THESE NEWLY CERTIFIED CTLRS ARE TRAINING OTHERS AND THE 'EXPERIENCE AND KNOWLEDGE POOL' IS GETTING THIN. FINALLY; SUPVRS RESPONSIBLE FOR THIS POS ARE OFTEN NOT EVEN CERTIFIED ON THE POS SO THEIR UNDERSTANDING OF THEIR OPERATIONAL IMPORTANCE IS MINIMAL.