NTSB Identification: DEN82IA192
Nonscheduled 14 CFR Part 135: Air Taxi & Commuter
Incident occurred Monday, September 13, 1982 in DENVER, CO
Probable Cause Approval Date: 09/13/1983
Aircraft: FAIRCHILD/SWEARINGEN SA226TC, registration: N5471M
Injuries: 5 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

DURING TAKEOFF ON A MAINTENANCE FERRY FLIGHT, WITH A MECHANIC FLYING FROM THE RIGHT SEAT, THE AIRCRAFT WOULD NOT ACCELERATE ABOVE V1 AND WOULD NOT ROTATE EVEN WITH FULL AFT YOKE. THE CAPTAIN ABORTED THE TAKEOFF AND THE AIRCRAFT WAS STOPPED AT THE END OF THE RUNWAY WITH THE RIGHT GEAR ON THE OVERRUN AREA. AFTER THE AIRCRAFT STOPPED, CREWMEMBERS EXTINGUISHED TWO SMALL FIRES IN THE MAIN GEAR BRAKES. INVESTIGATION DID NOT REVEAL THE REASON THE AIRCRAFT WOULD NOT ACCELERATE, HOWEVER IT WAS NOTED THAT BOTH MAIN BRAKE ASSEMBLIES HAD BEEN SUBJECTED TO EXTREME HEAT AND RAPID COOLING. IN ADDITION, ALL OF THE BRAKE PUCKS WERE WORN THIN. THIS DAMAGE WAS CONSISTENT WITH TAKING OFF WITH THE PARKING BRAKE ENGAGED OR INADVERTENT APPLICATION OF THE TOE BRAKES DURING TAKEOFF ROLL.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

LANDING GEAR,NORMAL BRAKE SYSTEM..ENGAGED

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