DC9 crew had an altitude overshoot in dtw class B.

Attributes
ACN	513740
Time
Date	200106
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : d21.tracon
State Reference	MI
Altitude	msl bound lower : 5700 msl bound upper : 6000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	DC-9 Undifferentiated or Other Model
Flight Phase	descent : approach
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : d21.tracon
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 220 flight time total : 5000 flight time type : 3000
ASRS Report	513740
Events
Anomaly	altitude deviation : overshoot non adherence : company policies non adherence : clearance non adherence : published procedure non adherence : far other anomaly other
Resolutory Action	flight crew : returned to assigned altitude none taken : detected after the fact
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance Company
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation other

Narrative:

Flying as aircraft X we were given expedite descent to 6000 ft. We touched 5700 ft and then brought it back to 6000 ft. In addition to the expedite another factor was the similar call sign of air carrier Y which was also on frequency at the time this was a distraction.

Original NASA ASRS Text

Title: DC9 CREW HAD AN ALT OVERSHOOT IN DTW CLASS B.

Narrative: FLYING AS ACFT X WE WERE GIVEN EXPEDITE DSCNT TO 6000 FT. WE TOUCHED 5700 FT AND THEN BROUGHT IT BACK TO 6000 FT. IN ADDITION TO THE EXPEDITE ANOTHER FACTOR WAS THE SIMILAR CALL SIGN OF ACR Y WHICH WAS ALSO ON FREQ AT THE TIME THIS WAS A DISTR.

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.