As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R GEN CONT LIGHT AND AC BUS OFF EICAS ILLUMINATED BUS PWR CONT UNIT FAULTS FOR RIGHT GEN PWR SYS CHECKED R-H ENG DPI INDICATOR AND FOUND NOT TRIPPED. RECOMMEND FOLLOWING FIM 24-20 TASK 802 STEP N (1) (I) FOR FAULT MESSAGES (DP TRIP) AND (MAIN BUS / OVERLAP ZONE) ON THE R/H SYSTEM. REMOVED AND REPLACED RIGHT GENERATOR CONTROL AND OPS CHECK GOOD IAW AMM 24-41-03. ALSO REFER REFER WORK PERFORMED ON LOG PAGE #4226102.