An emb-145 captain reported missing his assigned crossing altitude in C90 airspace.

Attributes
ACN	514120
Time
Date	200106
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	intersection : krena
State Reference	IL
Altitude	msl bound lower : 9000 msl bound upper : 13000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zme.artcc
Operator	common carrier : air carrier
Make Model Name	EMB ERJ 145 ER&LR
Flight Phase	descent : intermediate altitude
Route In Use	arrival star : jvl
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 240 flight time total : 13000 flight time type : 900
ASRS Report	514120
Events
Anomaly	altitude deviation : crossing restriction not met non adherence : published procedure non adherence : far non adherence : company policies non adherence : clearance
Resolutory Action	none taken : insufficient time
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

ATC had cleared us to 'cross krena at 9000 ft.' I got distraction by other issues and didn't start the descent until about 4 mi prior to krena. We advised ATC we might be late arriving at 9000 ft. Given our ground speed, I should not have delayed our discretionary descent.

Original NASA ASRS Text

Title: AN EMB-145 CAPT RPTED MISSING HIS ASSIGNED XING ALT IN C90 AIRSPACE.

Narrative: ATC HAD CLRED US TO 'CROSS KRENA AT 9000 FT.' I GOT DISTR BY OTHER ISSUES AND DIDN'T START THE DSCNT UNTIL ABOUT 4 MI PRIOR TO KRENA. WE ADVISED ATC WE MIGHT BE LATE ARRIVING AT 9000 FT. GIVEN OUR GND SPD, I SHOULD NOT HAVE DELAYED OUR DISCRETIONARY DSCNT.

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.