As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DOOR LIGHT EICAS MSG, RTFL. FOUND NR 4 FRONT BRAKE SPUN ON AXLE. NR 4 FWD BRAKE ASSY REMOVED. REPLACED 4 FRONT/REAR BRAKE ASSY. NEED TO ACCOMPLISH GEAR SWING (NORMAL AND ALT) TO CONFIRM NORMAL OPERATION PRIOR TO REVENUE SERVICE. ACCMP'D OPERATIONAL TEST OF MAIN GEAR EXTENSION AND RETRACTION SYSTEM ALONG WITH ALTERNATE EXTEND SYSTEM TEST. OPS NORMAL.