What was found
BRAKES FAILED ON LANDING. STOPPED AIRCRAFT WITH EMERGENCY BRAKE. AFTER COMING TO A STOP WE RECEIVED A " LR INBD BRK FAIL". #4 MAIN TIRE BLEW AS A RESULT OF EMERGENCY BRAKING. MOVED AND REPLACED #3 AND #4 MWA'S WITH 'REPAIRED' MWAS PER LR-45 AMM 32-40-02. REMOVED SUSPECTED FAULTY BCU (PN: 42-933-3, SN: 365A) AND INSTALLED A 'REPAIRED' BCU (PN: 42-933-3, SN: 421A) F/T OF BCU CHECKS GOOD. REF LR-45 AMM 32-41-02. NOTE: CURRENTLY INSTALLED #3 MWA (PN: 3-1545-1, SN: 2639) WITH A 'NEW' TIRE (PN: 226K08-4, SN: 81492696) AND #4 MWA (PN: 3-1545-1, SN: 0731 (OB), 0705 (IB)) WITH A 'NEW' TIRE (PN: 226K08-4, SN: 81522695).