Altitude overshoot on descent by an air carrier medium large transport.

Attributes
ACN	314430
Time
Date	199508
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : msp
State Reference	MN
Altitude	msl bound lower : 25600 msl bound upper : 26000
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	artcc : zmp
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 : first officer
Qualification	other other : other pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 200 flight time total : 5000 flight time type : 200
ASRS Report	314430
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : overshoot non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course flight crew : became reoriented
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

PF was cleared to 26000 ft by ZMP. He descended to 25600 ft before climbing back to altitude. PNF was busy talking to company maintenance about routine write-up.

Original NASA ASRS Text

Title: ALT OVERSHOOT ON DSCNT BY AN ACR MLG.

Narrative: PF WAS CLRED TO 26000 FT BY ZMP. HE DSNDED TO 25600 FT BEFORE CLBING BACK TO ALT. PNF WAS BUSY TALKING TO COMPANY MAINT ABOUT ROUTINE WRITE-UP.

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.