A climbing air carrier flight misses ZDV controllers amended altitude clearance and creates the need for a turn off course for traffic separation west of ekr, co.

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Attributes
ACN	465090
Time
Date	200002
Day	Mon
Local Time Of Day	1801 To 2400
Place
State Reference	CO
Altitude	msl bound lower : 35000 msl bound upper : 36500
Environment
Weather Elements	Turbulence
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdv.artcc
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : vacating altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : commercial
Experience	flight time total : 5500 flight time type : 5500
ASRS Report	465090
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	altitude deviation : overshoot inflight encounter : turbulence non adherence : company policies non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance controller : separated traffic
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Passing FL365 to assigned altitude of FL370 center asked us if we heard their transmission to level off at FL350. We did not nor did we read it back. Just prior to this I was on the service phone to let the flight attendants up to serve following turbulence. We could both have missed the call earlier or it could have come while I was off. We were given a turn to 180 degrees (90 degrees off course). Reaching that heading we were turned back east on course. We were not told of any traffic conflict or given a number to call.

Original NASA ASRS Text

Title: A CLBING ACR FLT MISSES ZDV CTLRS AMENDED ALT CLRNC AND CREATES THE NEED FOR A TURN OFF COURSE FOR TFC SEPARATION W OF EKR, CO.

Narrative: PASSING FL365 TO ASSIGNED ALT OF FL370 CTR ASKED US IF WE HEARD THEIR XMISSION TO LEVEL OFF AT FL350. WE DID NOT NOR DID WE READ IT BACK. JUST PRIOR TO THIS I WAS ON THE SVC PHONE TO LET THE FLT ATTENDANTS UP TO SERVE FOLLOWING TURB. WE COULD BOTH HAVE MISSED THE CALL EARLIER OR IT COULD HAVE COME WHILE I WAS OFF. WE WERE GIVEN A TURN TO 180 DEGS (90 DEGS OFF COURSE). REACHING THAT HEADING WE WERE TURNED BACK E ON COURSE. WE WERE NOT TOLD OF ANY TFC CONFLICT OR GIVEN A NUMBER TO CALL.

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.