1996-07 · NASA ASRS report 340978
B737 PIC HAS A PROB WITH ACR MAINT PERSONNEL AND LOGBOOK INTERP AT DEP ARPT. LANDS AT DEST ARPT WHERE AUTO BRAKING OCCURS WHEN PIC KNEW THE ANTI-SKID SYS WAS INOP. BLEW AT LEAST ONE TIRE. ACFT DISABLED; PAX DEPLANED.
AFTER RECEIVING ACFT IN PHX I FOUND THAT THE ANTI-SKID WAS INOP. THE ANTI-SKID WRITE-UP WAS NOT FOUND IN THE LOG PAGES THAT WE HAD BUT THERE WAS A WRITE-UP IN REF TO THE L MAIN DRAGGING. IN THE CORRECTIVE ACTION COLUMN THEY WROTE IT WAS ALREADY NOTED WITH REF TO A PRECEDING PAGE WHICH WE DID NOT HAVE. TAXI AND TKOF WERE NORMAL. ON DSCNT INTO SFO I TRIED TO ARM THE SPD BRAKES BUT COULD NOT GET A GREEN SPD BRAKE ARMED LIGHT; JUST THE SPD BRAKE DO NOT ARM LIGHT. SO I STOWED THE SPD BRAKE LEVER IN THE DOWN DETENT POS (NO LIGHTS). WE USED FLAPS 40 DEGS FOR THE FLAP SETTING. I PLANNED A LONG ROLLOUT (ANTI-SKID INOP; MANUALLY SPD BRAKE; REDUCED BRAKING). WE HAD 11870 FT OF RWY ON RWY 28R. THE TOUCHDOWN WAS A LITTLE BEFORE THE THOUSAND FT MARK (EVEN SMOOTH). WHEN I TRIED TO USE THE REVERSER THEY WOULD NOT DEPLOY; IT TOOK A COUPLE OF TRIES. THEN WHEN THEY DID DEPLOY I NOTED THAT THE SPD BRAKE HANDLE MOVED TO THE UP POS BY ITSELF AND AT THAT POINT IN TIME WHAT SEEMED TO ME AS BRAKING OR STRONG DECELERATION; ALL THIS WITH VIOLENT SHAKING. BRAKES WERE NOT BEING USED BY ME OR THE FO. IN FACT; I ASKED IF HE WAS ON THE BRAKES WHICH HE WAS NOT. THE PLANE DID NOT SEEM TO PULL TO ONE SIDE OR THE OTHER. AS THE AIRPLANE WAS DECELERATING TWR CALLED AND SAID THEY SEE SMOKE COMING OUT OF THE WHEELWELL. AS WE TURNED ONTO TXWY T BTWN RWYS 28R AND 28L WE CAME TO A STOP (AT THIS POINT WE KNEW WE LOST AT LEAST ONE TIRE). I ASKED THE TWR IF THEY STILL SAW SMOKE WHICH THEY SAID NO. AT THE SAME TIME THE FIRE TRUCKS PULLED UP AND I DECIDED NOT TO DO AN EMER EVAC. WE THEN TOLD THE FLT ATTENDANTS THAT EVERYTHING WAS UNDER CTL; EXPLAINING THE SIT AND TO KEEP THE DOORS ARMED JUST IN CASE SOMETHING DEVELOPED. WE INFORMED SFO OPS; DISPATCH; AND MAINT CTL. WE THEN COORDINATED WITH THE CITY AND SFO OP TO DEPLANE THE PAX AND BUS THEM TO THE GATE. AFTER ACR REPLACED THE TIRES WE TURNED THE PLANE OVER TO ACR MAINT. IN ENDING; THIS OUT SOURCING MAINT IS FOR THE BIRDS. WE NEED BETTER CTL OF MAINT.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.
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