2 CABIN ATTENDANTS STILL STANDING IN AISLE OF CABIN WHEN ACR LGT TOUCHED DOWN ON RWY.

Narrative

WHILE SETTING UP TO LAND AT BOSTON/LOGAN AT XXOF EST ON RWY 27 (ILS) WE WERE OFFERED AN APCH TO RWY 22L TO EXPEDITE OUR ARR. WE HAD ALREADY ACCOMPLISHED THE DSCNT CHK AND IF I HAVEN'T BEEN DIRECTED TO DO IT EARLIER; I DO THE 'NO SMOKING LIGHT 'CYCLED' PART OF OUR APCH CHK 20 MI FROM LNDG TO SIGNAL THE FLT ATTENDANTS TO PICK UP AND SIT DOWN. WHEN WE GOT THE CLRNC FOR THE APCH TO 22L; WE WERE CLOSER TO THE ARPT THAN I REALIZED FOR THAT PARTICULAR APCH. THE CAPT AND FO WERE REBRIEFING THE 22L APCH (ALSO INCLUDES HOLDING SHORT OF THE INTXN OF 27 AFTER LNDG; NO VASIS). I WAS TRYING TO CONTACT BOSTON RAMP OF OUR EXPECTED LNDG TIME AND GET A GATE NUMBER. I SAW THE CAPT LOOKING OVER TO THE R AND SAYING 'WE'RE STEEP FOR 22L' AND I SIGNALED THE FLT ATTENDANTS AT THAT TIME. WE CONFIGURED QUICKLY AFTER THAT AND LANDED ON 22 WITH 2 FLT ATTENDANTS STANDING IN FIRST CLASS. I HAD SIGNALED THE FLT ATTENDANTS TOO LATE. FACTORS. CAPT AND FO WERE CLOSE WHEN OFFERED A 'CHALLENGING' APCH OPTION AND GOT ENGROSSED IN THAT. I WAS WORKING ON RAISING BOS RAMP AND DID NOT UPDATE OUR POS IN RELATION TO LNDG WHEN WE SWITCHED RWYS. THE CAPT AND FO WERE BUSY TRYING TO GET A DSCNT AND FLY THE APCH. IT WAS ALSO OUR FIFTH FLT OF THE THIRD DAY OF THE ROTATION. BOSTON IS OUR HOME BASE SO MAYBE FAMILIARITY PLAYED A PART TOO. I INITIATED THE APCH CHK; THE CAPT DID NOT BUT I DID NOT TELL HIM THAT THE FLT ATTENDANTS NEEDED MORE TIME. I 'HOPED' THEY WOULD HAVE ENOUGH.