DC9 overshot cleared altitude on descent in clt airspace.

Attributes
ACN	415890
Time
Date	199810
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : clt
State Reference	NC
Altitude	msl bound lower : 8600 msl bound upper : 9000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : clt
Operator	common carrier : air carrier
Make Model Name	DC-9 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : approach descent other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 9000 flight time type : 1000
ASRS Report	415890
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 140 flight time total : 10000 flight time type : 400
ASRS Report	416139
Events
Anomaly	altitude deviation : overshoot non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Altitude: descended below clearance limit of 9000 ft to approximately 8600 ft. The cause was simply inattentiveness. I had 7000 ft on my mind. First officer was doing ACARS approach data.

Original NASA ASRS Text

Title: DC9 OVERSHOT CLRED ALT ON DSCNT IN CLT AIRSPACE.

Narrative: ALT: DSNDED BELOW CLRNC LIMIT OF 9000 FT TO APPROX 8600 FT. THE CAUSE WAS SIMPLY INATTENTIVENESS. I HAD 7000 FT ON MY MIND. FO WAS DOING ACARS APCH DATA.

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.