NTSB Identification: DCA83IA002
Scheduled 14 CFR Part 121: Air Carrier operation of TEXAS INTERNATIONAL
Incident occurred Monday, October 18, 1982 in HOUSTON, TX
Probable Cause Approval Date: 10/18/1983
Aircraft: DOUGLAS DC-9-30, registration: N536TX
Injuries: 65 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.

THE AIRCRAFT'S RIGHT NOSE LANDING GEAR TIRE TREAD SEPARATED DURING THE TAKEOFF ROLL. THE TREAD SEPARATION RESULTED IN DAMAGE TO THE GROUND SHIFT MECHANISM, NOSE GEAR DOOR, TAXI LIGHT AND THE EE COMPARTMENT DOOR. THE FLIGHT RETURNED TO THE DEPARTURE AIRPORT. DURING THE LANDING ROLL, WITH THE ANTI-SKID "ON", NO BRAKING ACTION WAS AVAILABLE; HOWEVER, THE AIRCRAFT WAS STOPPED BY USING REVERSE THRUST. AN INVESTIGATION REVEALED THAT THE DAMAGED SHIFT MECHANISM RESULTED IN A FAULTY SIGNAL TO THE ANTI-SKID SYSTEM, PLACING THE BRAKE SYSTEM IN AN "AIRBORNE" MODE. AN INSPECTION OF THE TIRE REVEALED THAT A LINER REPAIR HAD BEEN STITCHED INTO PLACE OVER A CUT REGION. THERE WAS EVIDENCE THAT THE CUT OCCURRED FROM A PUNCTURE. AC145-4, "INSPECTION, RETREAD REPAIR, AND ALTERATIONS OF AIRCRAFT TIRES GENERALLY RECOMMENDED AGAINST ANY ATTEMPT TO REPAIR CUTS THROUGH MORE THAN 40% OF THE PLY AND SPECIFICALLY STATES THAT TIRES WITH PUNCTURES ARE NON-REPAIRABLE.

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

LANDING GEAR,TIRE..FAILURE,PARTIAL

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

LANDING GEAR,TIRE..SEPARATION


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