C310 GA pilot is distraction by equipment concern, overshoots a ZDC assigned atl while in descent.

Attributes
ACN	508180
Time
Date	200104
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : hgr.airport
State Reference	MD
Altitude	msl bound lower : 6700 msl bound upper : 7000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Cessna 310/T310C
Flight Phase	descent : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : multi engine pilot : instrument pilot : cfi pilot : atp
Experience	flight time last 90 days : 20 flight time total : 6600 flight time type : 2500
ASRS Report	508180
Events
Anomaly	altitude deviation : overshoot non adherence : clearance
Resolutory Action	controller : issued new clearance
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I was cleared to 7000 ft and was distraction by my concern with changing to main from auxiliary. I went through 6700 ft and called in and was immediately cleared to 6000 ft.

Original NASA ASRS Text

Title: C310 GA PLT IS DISTR BY EQUIP CONCERN, OVERSHOOTS A ZDC ASSIGNED ATL WHILE IN DSCNT.

Narrative: I WAS CLRED TO 7000 FT AND WAS DISTR BY MY CONCERN WITH CHANGING TO MAIN FROM AUX. I WENT THROUGH 6700 FT AND CALLED IN AND WAS IMMEDIATELY CLRED TO 6000 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.