Narrative:

While flying at FL350 chinn 3 arrival into seattle, center told us to descend to FL240, pilot's discretion after FL310. As we were near computed top of descent point for expected clearance limit at snowy intersection (12000 ft/250 KT), we continued descent to FL240. Then cleared to cross snowy at 12000 ft/250 KTS. With VNAV engaged, aircraft increased speed to computed 327 KIAS for descent. At approximately FL200, approach control told us to slow to 300 KIAS (slow down while descending). After manually setting 300 KIAS in autoplt window, aircraft began to level off to slow down. Immediately green end descent arc on HSI indicated we would be fast or high at snowy. As we started to contact approach to advise we might not make the 12000 ft/250 KT restr at snowy (passing through FL180), approach asked if we would make the restr. We informed approach we would be high on airspeed, also we could make 13000 ft on airspeed of 250 KTS. We were informed not to accelerate to make the altitude, possibly due to traffic ahead of us at snowy. We were given a short vector south for spacing then cleared us direct to snowy. About 1 mi from snowy, we were asked our speed. We were at 270 KIAS and slowing. We actually crossed snowy at 12000 ft/250 KT. I am submitting this because after we crossed snowy the controller told us that we missed both restrs of 12000/250 KTS. We acknowledge of being slight, fast (260 KT), but on altitude. When aircraft leveled off when directed to slow to 300 KIAS, we made every effort to maintain track and comply. Our only option was to use full speed brakes. We also had an 18 KT tailwind which made the situation worse.

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Original NASA ASRS Text

Title: FLC OF A B767 FAILED TO MAKE ALT XING RESTR AND SPD RESTR DURING DSCNT ON STAR ARR.

Narrative: WHILE FLYING AT FL350 CHINN 3 ARR INTO SEATTLE, CTR TOLD US TO DSND TO FL240, PLT'S DISCRETION AFTER FL310. AS WE WERE NEAR COMPUTED TOP OF DSCNT POINT FOR EXPECTED CLRNC LIMIT AT SNOWY INTXN (12000 FT/250 KT), WE CONTINUED DSCNT TO FL240. THEN CLRED TO CROSS SNOWY AT 12000 FT/250 KTS. WITH VNAV ENGAGED, ACFT INCREASED SPD TO COMPUTED 327 KIAS FOR DSCNT. AT APPROX FL200, APCH CTL TOLD US TO SLOW TO 300 KIAS (SLOW DOWN WHILE DSNDING). AFTER MANUALLY SETTING 300 KIAS IN AUTOPLT WINDOW, ACFT BEGAN TO LEVEL OFF TO SLOW DOWN. IMMEDIATELY GREEN END DSCNT ARC ON HSI INDICATED WE WOULD BE FAST OR HIGH AT SNOWY. AS WE STARTED TO CONTACT APCH TO ADVISE WE MIGHT NOT MAKE THE 12000 FT/250 KT RESTR AT SNOWY (PASSING THROUGH FL180), APCH ASKED IF WE WOULD MAKE THE RESTR. WE INFORMED APCH WE WOULD BE HIGH ON AIRSPD, ALSO WE COULD MAKE 13000 FT ON AIRSPD OF 250 KTS. WE WERE INFORMED NOT TO ACCELERATE TO MAKE THE ALT, POSSIBLY DUE TO TFC AHEAD OF US AT SNOWY. WE WERE GIVEN A SHORT VECTOR S FOR SPACING THEN CLRED US DIRECT TO SNOWY. ABOUT 1 MI FROM SNOWY, WE WERE ASKED OUR SPD. WE WERE AT 270 KIAS AND SLOWING. WE ACTUALLY CROSSED SNOWY AT 12000 FT/250 KT. I AM SUBMITTING THIS BECAUSE AFTER WE CROSSED SNOWY THE CTLR TOLD US THAT WE MISSED BOTH RESTRS OF 12000/250 KTS. WE ACKNOWLEDGE OF BEING SLIGHT, FAST (260 KT), BUT ON ALT. WHEN ACFT LEVELED OFF WHEN DIRECTED TO SLOW TO 300 KIAS, WE MADE EVERY EFFORT TO MAINTAIN TRACK AND COMPLY. OUR ONLY OPTION WAS TO USE FULL SPD BRAKES. WE ALSO HAD AN 18 KT TAILWIND WHICH MADE THE SIT WORSE.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.