Flight crew descends 1000 ft past assigned altitude.

Attributes
ACN	317730
Time
Date	199510
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : ctf
State Reference	SC
Altitude	msl bound lower : 8000 msl bound upper : 9000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : clt
Operator	common carrier : air carrier
Make Model Name	B737-400
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	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 : 5500 flight time type : 1000
ASRS Report	317730
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : atp
Experience	flight time last 90 days : 100 flight time total : 11500 flight time type : 6000
ASRS Report	317731
Events
Anomaly	altitude deviation : overshoot non adherence : clearance
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Controller cleared us to 7000 ft. When passing through 8000 ft, controller advised we were cleared only to 9000 ft. Immediately we climbed back to 9000 ft.

Original NASA ASRS Text

Title: FLC DSNDS 1000 FT PAST ASSIGNED ALT.

Narrative: CTLR CLRED US TO 7000 FT. WHEN PASSING THROUGH 8000 FT, CTLR ADVISED WE WERE CLRED ONLY TO 9000 FT. IMMEDIATELY WE CLBED BACK TO 9000 FT.

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.