Narrative:

We landed at ZZZZ and after landing I experienced a reduced braking capability with only 2 out of the 8 available brakes working. This resulted in the brakes on the only 2 brakes working overheating and the fuse plugs blowing. Callback conversation with reporter revealed the following information: the reporter stated that the aircraft was 2000 pounds below maximum landing weight at touchdown. There were no abnormal indications until around 80 KTS when the first officer; who was the flying pilot; attempted to transition from reverse to wheel braking. When the brakes were applied he felt little effect and so maintained reverse until the aircraft was near walking speed. Prior to coming to a full stop the aircraft was pulling right which the captain countered with nosewheel steering. As the aircraft was slowly back taxied on the runway; the crew tested the brakes for effectiveness and found greatly reduced braking action. At no time were there any comments from ATC or others about smoke from the aircraft. When the aircraft was parked; maintenance immediately notified the crew about the flat tires and advised them not to set the brakes. An airport crash crew arrived shortly after their gate arrival and sprayed a fluid of some sort on the brakes causing a great deal of smoke. Maintenance crews from air carrier's major maintenance facility flew in to examine the aircraft. Ultimately the entire bogey assembly with wheels; brakes; wheel spindles; etc. Were changed because estimated the brake/tire assembly temperature was at or near 1000 degrees. The reporter talked with maintenance at a later date and was told that a triple failure occurred even though the crew had no cockpit indication of a malfunction. The release lights on the wheels behind the failed tires illuminated intermittently during taxi in but no brake failure indications were received. Supplemental information from acn 763701: visual approach to runway at ZZZZ. No abnormal indications; faults or failures regarding brakes or anti-skid during descent; approach; landing and rollout. First officer made a smooth touchdown in landing zone. Autobrakes and autospoilers were armed for landing and activated at touchdown. Full reverse was carried down to taxi speed when brakes were not effective. Autobrakes disengaged when manual brakes were applied. First officer did excellent job of maintaining control of aircraft on centerline until taxi speed and reverse thrust was reduced. First officer commented on the lack of brakes. The controller asked us to turn around and back taxi to allow other aircraft to land. When the first officer turned control of aircraft over to me; I used the tiller to start the turn and attempted to apply brakes. The aircraft drifted slightly right of centerline and corrected with tiller as brakes were released to track back to centerline. Aircraft rolled to the end where we turned around to stop and assess our condition. Selected alternate/on. Brakes spongy. Selected alternate/off. Brakes still spongy. Returned switch to normal/on. Aircraft was taxied to gate after determining that we had enough brake function to stop and parking brake would work.

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Original NASA ASRS Text

Title: AN A300 BRAKE MALFUNCTION RESULTED IN ONLY TWO OF EIGHT WHEEL BRAKES OPERATING. THE TWO OPERATING BRAKE FUSE PLUGS BLEW DEFLATING THE TIRES.

Narrative: WE LANDED AT ZZZZ AND AFTER LNDG I EXPERIENCED A REDUCED BRAKING CAPABILITY WITH ONLY 2 OUT OF THE 8 AVAILABLE BRAKES WORKING. THIS RESULTED IN THE BRAKES ON THE ONLY 2 BRAKES WORKING OVERHEATING AND THE FUSE PLUGS BLOWING. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE REPORTER STATED THAT THE ACFT WAS 2000 LBS BELOW MAX LANDING WT AT TOUCHDOWN. THERE WERE NO ABNORMAL INDICATIONS UNTIL AROUND 80 KTS WHEN THE FIRST OFFICER; WHO WAS THE FLYING PILOT; ATTEMPTED TO TRANSITION FROM REVERSE TO WHEEL BRAKING. WHEN THE BRAKES WERE APPLIED HE FELT LITTLE EFFECT AND SO MAINTAINED REVERSE UNTIL THE ACFT WAS NEAR WALKING SPEED. PRIOR TO COMING TO A FULL STOP THE ACFT WAS PULLING RIGHT WHICH THE CAPT COUNTERED WITH NOSEWHEEL STEERING. AS THE ACFT WAS SLOWLY BACK TAXIED ON THE RWY; THE CREW TESTED THE BRAKES FOR EFFECTIVENESS AND FOUND GREATLY REDUCED BRAKING ACTION. AT NO TIME WERE THERE ANY COMMENTS FROM ATC OR OTHERS ABOUT SMOKE FROM THE ACFT. WHEN THE ACFT WAS PARKED; MAINTENANCE IMMEDIATELY NOTIFIED THE CREW ABOUT THE FLAT TIRES AND ADVISED THEM NOT TO SET THE BRAKES. AN ARPT CRASH CREW ARRIVED SHORTLY AFTER THEIR GATE ARRIVAL AND SPRAYED A FLUID OF SOME SORT ON THE BRAKES CAUSING A GREAT DEAL OF SMOKE. MAINTENANCE CREWS FROM ACR'S MAJOR MAINTENANCE FACILITY FLEW IN TO EXAMINE THE ACFT. ULTIMATELY THE ENTIRE BOGEY ASSEMBLY WITH WHEELS; BRAKES; WHEEL SPINDLES; ETC. WERE CHANGED BECAUSE ESTIMATED THE BRAKE/TIRE ASSEMBLY TEMPERATURE WAS AT OR NEAR 1000 DEGS. THE REPORTER TALKED WITH MAINTENANCE AT A LATER DATE AND WAS TOLD THAT A TRIPLE FAILURE OCCURRED EVEN THOUGH THE CREW HAD NO COCKPIT INDICATION OF A MALFUNCTION. THE RELEASE LIGHTS ON THE WHEELS BEHIND THE FAILED TIRES ILLUMINATED INTERMITTENTLY DURING TAXI IN BUT NO BRAKE FAILURE INDICATIONS WERE RECEIVED. SUPPLEMENTAL INFO FROM ACN 763701: VISUAL APCH TO RWY AT ZZZZ. NO ABNORMAL INDICATIONS; FAULTS OR FAILURES REGARDING BRAKES OR ANTI-SKID DURING DSCNT; APCH; LNDG AND ROLLOUT. FO MADE A SMOOTH TOUCHDOWN IN LNDG ZONE. AUTOBRAKES AND AUTOSPOILERS WERE ARMED FOR LNDG AND ACTIVATED AT TOUCHDOWN. FULL REVERSE WAS CARRIED DOWN TO TAXI SPD WHEN BRAKES WERE NOT EFFECTIVE. AUTOBRAKES DISENGAGED WHEN MANUAL BRAKES WERE APPLIED. FO DID EXCELLENT JOB OF MAINTAINING CTL OF ACFT ON CTRLINE UNTIL TAXI SPD AND REVERSE THRUST WAS REDUCED. FO COMMENTED ON THE LACK OF BRAKES. THE CTLR ASKED US TO TURN AROUND AND BACK TAXI TO ALLOW OTHER ACFT TO LAND. WHEN THE FO TURNED CTL OF ACFT OVER TO ME; I USED THE TILLER TO START THE TURN AND ATTEMPTED TO APPLY BRAKES. THE ACFT DRIFTED SLIGHTLY R OF CTRLINE AND CORRECTED WITH TILLER AS BRAKES WERE RELEASED TO TRACK BACK TO CTRLINE. ACFT ROLLED TO THE END WHERE WE TURNED AROUND TO STOP AND ASSESS OUR CONDITION. SELECTED ALTERNATE/ON. BRAKES SPONGY. SELECTED ALTERNATE/OFF. BRAKES STILL SPONGY. RETURNED SWITCH TO NORMAL/ON. ACFT WAS TAXIED TO GATE AFTER DETERMINING THAT WE HAD ENOUGH BRAKE FUNCTION TO STOP AND PARKING BRAKE WOULD WORK.

Data retrieved from NASA's ASRS site as of January 2009 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.