A descent below the cleared altitude on the lynsy RNAV 2 arrival to las, nv.

Attributes
ACN	573075
Time
Date	200302
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : las.airport
State Reference	NV
Altitude	msl single value : 11000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zla.artcc
Operator	common carrier : air carrier
Make Model Name	MD-80 Series (DC-9-80) Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : intermediate altitude
Route In Use	arrival star : lynsy
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	573075
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	altitude deviation : crossing restriction not met altitude deviation : overshoot non adherence : published procedure non adherence : clearance
Independent Detector	other controllerb
Resolutory Action	controller : issued new clearance controller : issued advisory
Consequence	other
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On the lynsy 2 arrival into las, los angeles center cleared us to cross lynsy at 12000 ft. We inquired about the other restrs, and he advised to comply with the other restrs. At lynsy, we set 11000 ft on the dfg's and began our descent to 11000 ft to comply with the mirok restr. At 11000 ft, the controller inquired about our altitude. He advised we were not cleared for the profile descent. Asked if he wanted us to climb to 12000 ft. He advised no.

Original NASA ASRS Text

Title: A DSCNT BELOW THE CLRED ALT ON THE LYNSY RNAV 2 ARR TO LAS, NV.

Narrative: ON THE LYNSY 2 ARR INTO LAS, LOS ANGELES CTR CLRED US TO CROSS LYNSY AT 12000 FT. WE INQUIRED ABOUT THE OTHER RESTRS, AND HE ADVISED TO COMPLY WITH THE OTHER RESTRS. AT LYNSY, WE SET 11000 FT ON THE DFG'S AND BEGAN OUR DSCNT TO 11000 FT TO COMPLY WITH THE MIROK RESTR. AT 11000 FT, THE CTLR INQUIRED ABOUT OUR ALT. HE ADVISED WE WERE NOT CLRED FOR THE PROFILE DSCNT. ASKED IF HE WANTED US TO CLB TO 12000 FT. HE ADVISED NO.

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.