What was found
NR 4 GENERATOR OFF BUSS EICAS MESSAGE DISPLAYED AFTER ENGINE START. REMOVED NR 4 GENERATOR & REPLACED IT WITH OVERHAULED UNIT. OPS & LEAK CHECKED GOOD. ACFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 4 GENERATOR OFF BUSS EICAS MESSAGE DISPLAYED AFTER ENGINE START. REMOVED NR 4 GENERATOR & REPLACED IT WITH OVERHAULED UNIT. OPS & LEAK CHECKED GOOD. ACFT RETURNED TO SERVICE.