Altitude overshoot on descent.

Attributes
ACN	296159
Time
Date	199502
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : phl
State Reference	PA
Altitude	msl bound lower : 6800 msl bound upper : 7000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : phl
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	descent other
Route In Use	arrival other arrival star : star
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : instrument pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 150 flight time total : 10600 flight time type : 500
ASRS Report	296159
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : less severe 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:

On bucks 3 arrival into phl cleared to descend from 8000 ft to 7000 ft. While working on a mechanical problem dropped below 7000 ft to 6800 ft before recovered. Always make sure I still fly aircraft at all times.

Original NASA ASRS Text

Title: ALT OVERSHOOT ON DSCNT.

Narrative: ON BUCKS 3 ARR INTO PHL CLRED TO DSND FROM 8000 FT TO 7000 FT. WHILE WORKING ON A MECHANICAL PROB DROPPED BELOW 7000 FT TO 6800 FT BEFORE RECOVERED. ALWAYS MAKE SURE I STILL FLY ACFT AT ALL TIMES.

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.