<< >> NASA ASRS Report 680851, December 2005

A B737-500 on takeoff aborted at 60 KTS when advised by tower that 1 nosewheel and tire assembly remained on runway.

Attributes
ACN	680851
Time
Date	200512
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tower : pit.tower
Operator	common carrier : air carrier
Make Model Name	B737-500
Operating Under FAR Part	Part 121
Flight Phase	climbout : takeoff ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 180 flight time total : 10000 flight time type : 1700
ASRS Report	680851
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 200 flight time total : 15000 flight time type : 10000
ASRS Report	680499
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other other : 3
Resolutory Action	controller : issued alert flight crew : rejected takeoff
Consequence	other other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Tower cleared position and hold on runway 9R. During turn onto runway 9R; heard noise come from nose gear area. I thought it was a pothole or bump on the runway. I felt no other vibration or abnormal indications. During takeoff roll; aircraft behind us on taxiway advised tower that one of our nose gear tires was on the runway. Tower advised us and captain initiated abort. Speed approximately 60 KTS; I had not yet made 80 KT call. Upon stopping aircraft; we evaluated; kept passenger on board; and they deplaned via bus. No abnormal feel during the takeoff roll; the callout by the other aircraft and tower were how we discovered problem. Callback conversation with reporter revealed the following information: the reporter stated the wheel and tire were recovered and it was discovered the axle had failed on the inboard side of the wheel and tire.

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Original NASA ASRS Text

Title: A B737-500 ON TKOF ABORTED AT 60 KTS WHEN ADVISED BY TWR THAT 1 NOSEWHEEL AND TIRE ASSEMBLY REMAINED ON RWY.

Narrative: TWR CLRED POS AND HOLD ON RWY 9R. DURING TURN ONTO RWY 9R; HEARD NOISE COME FROM NOSE GEAR AREA. I THOUGHT IT WAS A POTHOLE OR BUMP ON THE RWY. I FELT NO OTHER VIBRATION OR ABNORMAL INDICATIONS. DURING TKOF ROLL; ACFT BEHIND US ON TXWY ADVISED TWR THAT ONE OF OUR NOSE GEAR TIRES WAS ON THE RWY. TWR ADVISED US AND CAPT INITIATED ABORT. SPD APPROX 60 KTS; I HAD NOT YET MADE 80 KT CALL. UPON STOPPING ACFT; WE EVALUATED; KEPT PAX ON BOARD; AND THEY DEPLANED VIA BUS. NO ABNORMAL FEEL DURING THE TKOF ROLL; THE CALLOUT BY THE OTHER ACFT AND TWR WERE HOW WE DISCOVERED PROB. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE WHEEL AND TIRE WERE RECOVERED AND IT WAS DISCOVERED THE AXLE HAD FAILED ON THE INBOARD SIDE OF THE WHEEL AND TIRE.

Data retrieved from NASA's ASRS site as of January 2009 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.