AN ACR FLT OVERSHOOTS THE ASSIGNED ALT DURING AN 'EAST SIDE' STAR ARR INTO SNA; CA.

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DURING DSCNT TO SNA; ON THE E SIDE 3 ARR; WE WERE CLRED DIRECT BANDS AND DSND TO 14000 FT MSL. SUBSEQUENTLY WE WERE CLRED DIRECT TO DEJAY INTXN. THE CAPT ASKED IF WE WERE CLRED ON THE PROFILE; AND MY RESPONSE WAS 'I THINK SO; BUT WOULD YOU LIKE ME TO ASK?' HE SAID 'NO; I THINK WE WERE;' AND MY RESPONSE WAS 'I DON'T MIND; IF YOU WANT I'LL ASK.' THE CAPT SAID NO THANKS AND STARTED DSNDING TO 7000 FT MSL AND SLOWING TO 190 KIAS BY KAYOH INTXN. AFTER REACHING 7000 FT AND 190 KIAS; THE SOCAL CTLR ASKED WHAT OUR AIRSPD WAS. I TOLD HIM 190 KIAS AND HE ASKED IF WE COULD PUSH IT TO 230 KIAS. WE COMPLIED. THEN WE WERE GIVEN A NUMBER TO CALL ON THE GND. THEN WE WERE TOLD TO EXPECT A POSSIBLE 'PLTDEV.' THE REST OF THE APCH AND LNDG WAS UNEVENTFUL. THE CAPT CALLED ON THE LANDLINE. AS THE CAPT BRIEFED TO ME; SOCAL APCH'S CONCERN WAS WHY WE DID NOT FOLLOW OUR CLRNC TO 8000 FT. HE TOLD SOCAL THAT WE NEVER RECEIVED CLRNC TO 8000 FT. SOCAL SAID THERE WERE NO OTHER DEVS AND NO POSSIBLE CONFLICTS BUT TO KNOW THAT MOST CLRNCS WILL BE TO 8000 FT MSL; NOT WHAT IS ON THE STAR. THE CAPT ASSURED THE CTLRS THAT HE WOULD PASS THIS INFO ON TO THE PLT GROUP WHEN WE RETURNED TO EWR. MY CORRECTION ACTION: IF I AM UNSURE OF A CLRNC I WILL ASK THE CTLR FOR CLARIFICATION NO MATTER HOW SURE THE CAPT IS OF THE PROPER CLRNC. THIS IS PROPER CRM TECHNIQUE. IF I HAD 'ASKED THE QUESTION' THIS WOULD NOT HAVE OCCURRED.