An LJ60 PIC aborts his takeoff at 80 KTS due to a smell of burning rubber in cockpit at gcn, az.

Attributes
ACN	534145
Time
Date	200112
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : gcn.airport
State Reference	AZ
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	general aviation : corporate
Make Model Name	Learjet 60
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 100 flight time total : 7100 flight time type : 1300
ASRS Report	534145
Person 2
Affiliation	company : corporate
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical cabin event other maintenance problem : improper maintenance other anomaly
Independent Detector	other flight crewa
Resolutory Action	flight crew : rejected takeoff
Consequence	faa : reviewed incident with flight crew other other Other
Factors
Maintenance	performance deficiency : fault isolation performance deficiency : inspection performance deficiency : repair performance deficiency : testing
Supplementary
Problem Areas	Aircraft Company Maintenance Human Performance
Primary Problem	Aircraft

Narrative:

During the takeoff roll, I noticed a burning rubber odor in the cabin around 80 KTS and decided to abort the takeoff. We had no passenger and were below maximum landing weight. Spoilers and thrust reversers were used and maximum braking was not required. It was a static takeoff setup. We taxied back to the FBO and shut down. There was no smoke in the cabin -- just the odor. Maintenance found the auxiliary cabin heat monitor indicating a previous overheat condition and reset the system. We flew the airplane on a local flight the next day and the odor returned. Maintenance believed this odor was residual from the auxiliary cabin heat problem. Our maintenance department spoke with the FAA about getting a ferry permit. After the FAA spoke with the mechanics who worked on the aircraft, they recommended the auxiliary cabin heat be deferred on our MEL. Our company then had us fly to a maintenance base for an unrelated inspection and to clear the auxiliary cabin heat item. We elected to fly the trip unpressurized to avoid the odor.

Original NASA ASRS Text

Title: AN LJ60 PIC ABORTS HIS TKOF AT 80 KTS DUE TO A SMELL OF BURNING RUBBER IN COCKPIT AT GCN, AZ.

Narrative: DURING THE TKOF ROLL, I NOTICED A BURNING RUBBER ODOR IN THE CABIN AROUND 80 KTS AND DECIDED TO ABORT THE TKOF. WE HAD NO PAX AND WERE BELOW MAX LNDG WT. SPOILERS AND THRUST REVERSERS WERE USED AND MAX BRAKING WAS NOT REQUIRED. IT WAS A STATIC TKOF SETUP. WE TAXIED BACK TO THE FBO AND SHUT DOWN. THERE WAS NO SMOKE IN THE CABIN -- JUST THE ODOR. MAINT FOUND THE AUX CABIN HEAT MONITOR INDICATING A PREVIOUS OVERHEAT CONDITION AND RESET THE SYS. WE FLEW THE AIRPLANE ON A LCL FLT THE NEXT DAY AND THE ODOR RETURNED. MAINT BELIEVED THIS ODOR WAS RESIDUAL FROM THE AUX CABIN HEAT PROB. OUR MAINT DEPT SPOKE WITH THE FAA ABOUT GETTING A FERRY PERMIT. AFTER THE FAA SPOKE WITH THE MECHS WHO WORKED ON THE ACFT, THEY RECOMMENDED THE AUX CABIN HEAT BE DEFERRED ON OUR MEL. OUR COMPANY THEN HAD US FLY TO A MAINT BASE FOR AN UNRELATED INSPECTION AND TO CLR THE AUX CABIN HEAT ITEM. WE ELECTED TO FLY THE TRIP UNPRESSURIZED TO AVOID THE ODOR.

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.