An air carrier has strange noise and rubber smell during taxi that is apparently not a problem but dumps fuel and returns to land when flight attendant reports a problem after takeoff.

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Attributes
ACN	474670
Time
Date	200005
Day	Mon
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : vabb.airport
State Reference	FO
Altitude	agl single value : 0 msl bound upper : 9000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	DC-10 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	climbout : takeoff climbout : initial ground : taxi
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : multi engine pilot : commercial pilot : flight engineer pilot : instrument pilot : atp
Experience	flight time last 90 days : 170 flight time total : 6000 flight time type : 400
ASRS Report	474670
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical cabin event other
Independent Detector	other flight crewa other other : cab 4
Resolutory Action	other
Supplementary
Problem Areas	Flight Crew Human Performance Cabin Crew Human Performance Aircraft
Primary Problem	Ambiguous

Narrative:

When doing a 180 degree turn on the runway in bom we heard a loud noise. At that time we had been going over a rough part of the runway and the centerline lights. We discussed this and agreed this is what caused the noise. Flight attendants then notified us they heard a noise and smelled a tire smell. We then discussed it and thought the smell was from the heavy weight maneuvering and that we were on the landing zone of the runway. We then told the flight attendants what we thought the noise was. All checklists were completed and we took off. Takeoff was normal and aircraft clean when flight attendants in the back said there was a problem. I checked problem and then we did appropriate checklists and abnormal procedures and dumped fuel to return to bom. Uneventful return and landing. I feel we could have been more assertive in getting more information from flight attendants and maybe flight attendants being more assertive with me. A question to ask after an interphone conversation should be 'do you feel comfortable taking off.'

Original NASA ASRS Text

Title: AN ACR HAS STRANGE NOISE AND RUBBER SMELL DURING TAXI THAT IS APPARENTLY NOT A PROB BUT DUMPS FUEL AND RETURNS TO LAND WHEN FLT ATTENDANT RPTS A PROB AFTER TKOF.

Narrative: WHEN DOING A 180 DEG TURN ON THE RWY IN BOM WE HEARD A LOUD NOISE. AT THAT TIME WE HAD BEEN GOING OVER A ROUGH PART OF THE RWY AND THE CTRLINE LIGHTS. WE DISCUSSED THIS AND AGREED THIS IS WHAT CAUSED THE NOISE. FLT ATTENDANTS THEN NOTIFIED US THEY HEARD A NOISE AND SMELLED A TIRE SMELL. WE THEN DISCUSSED IT AND THOUGHT THE SMELL WAS FROM THE HVY WT MANEUVERING AND THAT WE WERE ON THE LNDG ZONE OF THE RWY. WE THEN TOLD THE FLT ATTENDANTS WHAT WE THOUGHT THE NOISE WAS. ALL CHKLISTS WERE COMPLETED AND WE TOOK OFF. TKOF WAS NORMAL AND ACFT CLEAN WHEN FLT ATTENDANTS IN THE BACK SAID THERE WAS A PROB. I CHKED PROB AND THEN WE DID APPROPRIATE CHKLISTS AND ABNORMAL PROCS AND DUMPED FUEL TO RETURN TO BOM. UNEVENTFUL RETURN AND LNDG. I FEEL WE COULD HAVE BEEN MORE ASSERTIVE IN GETTING MORE INFO FROM FLT ATTENDANTS AND MAYBE FLT ATTENDANTS BEING MORE ASSERTIVE WITH ME. A QUESTION TO ASK AFTER AN INTERPHONE CONVERSATION SHOULD BE 'DO YOU FEEL COMFORTABLE TAKING OFF.'

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.