As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENROUTE AIRCRAFT BEGAN INDICATING AUTO BRAKE NOT AVAILABLE, L BRAKES 2 + 6 U/S, AND L/H THRUST REVERSER U/S, THEN ON DESCENT THEY SAID `PRIMARY RIGHT HYDRAULIC SYSTEM INDICATED OFF RIGHT ELECTRIC SELECT ON SYSTEM NOW POWERED NO INDICATION`. RESOLUTION MAINT MSG 42-00660 LATCHED ON FINAL. C/OUT FIM TASK DMC B787-A-42-40-F2-64A-421A-A MSG CLEARED. (TC# 20190717001)