<< >> NASA ASRS Report 579341, April 2003

A DC10-30, on landing. The center gear left tire blew and autospoilers did not deploy. Caused by a failed wheel spin-up sensor on #9 tire.

Attributes
ACN	579341
Time
Date	200304
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : bos.airport
State Reference	MA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	DC-10 30
Operating Under FAR Part	Part 121
Flight Phase	landing : roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : flight engineer pilot : multi engine
Experience	flight time last 90 days : 108 flight time total : 6300 flight time type : 732
ASRS Report	579341
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : anti skid indications other flight crewa other flight crewb
Resolutory Action	none taken : detected after the fact
Consequence	other other
Supplementary
Problem Areas	Aircraft Chart Or Publication Flight Crew Human Performance
Primary Problem	Aircraft

Narrative:

After landing on runway 27 at boston and after exiting the runway, tower advised us that smoke was coming from our tires. After confirming no fire existed, we shut down the engines and had maintenance tow us back to parking. Autospoilers had to be manually deployed on landing rollout. Maintenance found that the #9 tire (center wheels, left tire) had a flat spot and blew. Maintenance discovered a bad spin-up sensor on the #9 tire and possibly an anti-skid failure, as we had no light indications in the cockpit showing any problems. Nothing was out of the ordinary other than the autospoilers did not work, causing us to manually deploy them when we noticed this. Spin-up sensor would allow the autospoilers to deploy upon landing.

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Original NASA ASRS Text

Title: A DC10-30, ON LNDG. THE CTR GEAR L TIRE BLEW AND AUTOSPOILERS DID NOT DEPLOY. CAUSED BY A FAILED WHEEL SPIN-UP SENSOR ON #9 TIRE.

Narrative: AFTER LNDG ON RWY 27 AT BOSTON AND AFTER EXITING THE RWY, TWR ADVISED US THAT SMOKE WAS COMING FROM OUR TIRES. AFTER CONFIRMING NO FIRE EXISTED, WE SHUT DOWN THE ENGS AND HAD MAINT TOW US BACK TO PARKING. AUTOSPOILERS HAD TO BE MANUALLY DEPLOYED ON LNDG ROLLOUT. MAINT FOUND THAT THE #9 TIRE (CTR WHEELS, L TIRE) HAD A FLAT SPOT AND BLEW. MAINT DISCOVERED A BAD SPIN-UP SENSOR ON THE #9 TIRE AND POSSIBLY AN ANTI-SKID FAILURE, AS WE HAD NO LIGHT INDICATIONS IN THE COCKPIT SHOWING ANY PROBS. NOTHING WAS OUT OF THE ORDINARY OTHER THAN THE AUTOSPOILERS DID NOT WORK, CAUSING US TO MANUALLY DEPLOY THEM WHEN WE NOTICED THIS. SPIN-UP SENSOR WOULD ALLOW THE AUTOSPOILERS TO DEPLOY UPON LNDG.

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.