Flight crew of an mdt aborted takeoff due to a severe nosewheel shimmy during takeoff roll and retur...

Attributes
ACN	474900
Time
Date	200006
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : fod.airport
State Reference	IA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Light Transport
Operating Under FAR Part	Part 121
Flight Phase	ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : multi engine
Experience	flight time last 90 days : 190 flight time total : 2400 flight time type : 600
ASRS Report	474900
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : less severe other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : nose wheel shim other flight crewa other flight crewb
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

All checklists were completed normally. In takeoff roll through 60 KTS, violent shimmy felt from nose gear. Aborted takeoff and returned to gate. Called maintenance and were told to perform 2 high speed runs without people aboard. Completed and not duplicated. Deferred according to company MEL. Loaded up and left. Problem: no aborted takeoff brake check completed per company fom.

Original NASA ASRS Text

Title: FLC OF AN MDT ABORTED TKOF DUE TO A SEVERE NOSEWHEEL SHIMMY DURING TKOF ROLL AND RETURNED TO THE GATE.

Narrative: ALL CHKLISTS WERE COMPLETED NORMALLY. IN TKOF ROLL THROUGH 60 KTS, VIOLENT SHIMMY FELT FROM NOSE GEAR. ABORTED TKOF AND RETURNED TO GATE. CALLED MAINT AND WERE TOLD TO PERFORM 2 HIGH SPD RUNS WITHOUT PEOPLE ABOARD. COMPLETED AND NOT DUPLICATED. DEFERRED ACCORDING TO COMPANY MEL. LOADED UP AND LEFT. PROB: NO ABORTED TKOF BRAKE CHK COMPLETED PER COMPANY FOM.

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.

Flight crew of an mdt aborted takeoff due to a severe nosewheel shimmy during takeoff roll and returned to the gate.