B727 crew overshot their assigned altitude by 600 ft.

Attributes
ACN	421070
Time
Date	199811
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : cmh
State Reference	OH
Altitude	msl bound lower : 31000 msl bound upper : 31600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zid tower : sdf
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : atp pilot : flight engineer
Experience	controller military : 14 controller radar : 15 flight time last 90 days : 150 flight time total : 4500
ASRS Report	421070
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : overshoot non adherence : clearance non adherence : far other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On flight from columbus to atlanta, with clearance to FL310, aircraft was allowed to climb to approximately FL316. Center advised we turn and correct back to altitude. Aircraft was a B727 with autoplt but not automatic altitude capture. Altitude alerter was in low volume mode and alert light was dimmed.

Original NASA ASRS Text

Title: B727 CREW OVERSHOT THEIR ASSIGNED ALT BY 600 FT.

Narrative: ON FLT FROM COLUMBUS TO ATLANTA, WITH CLRNC TO FL310, ACFT WAS ALLOWED TO CLB TO APPROX FL316. CTR ADVISED WE TURN AND CORRECT BACK TO ALT. ACFT WAS A B727 WITH AUTOPLT BUT NOT AUTO ALT CAPTURE. ALT ALERTER WAS IN LOW VOLUME MODE AND ALERT LIGHT WAS DIMMED.

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.