As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C ARRIVED AT GATE AND GRD REPORTS THAT NR 5 BRAKE BURST INTO FLAMES. BRAKE TEMP WAS 5 AND FIRE WAS CAUSED BY GREASE ON EXTERNAL HOUSING OF BRAKE. NO DAMAGE FOUND, TIRE DID NOT DEFLATE. REPLACED NR 5 BRAKE AND WHEEL ASSY. CHECKED AXLE AND OPS CHECK OK.