As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT PERFORMED AN UNSCHEDULED LANDING DUE TO SEVERAL MSGS IN EICAS & STATUS. DETECTED FAIL & REPLACED THE LT BPCU IAW DMC-B787-A-24-41-05-004-520A-A & DMC-B787-A-24-41-05-00A-720-A, TESTED CORRECT. THE OVERWEIGHT LANDING CONDITION INSPECTION WAS NOT NECESSARY DUE TO THE LANDING CONDITION VALUES WERE WITHIN LIMITS IAW DMC-B787-A-05-51-01-00B-311A-A TABLE 5.