What was found
ATB RIGHT GEN OFF LIGHT STARTED APU OK, BUT WILL NOT PICKUP RIGHT BUS. REPLACED RIGHT GCU AND BPCU RUN-UP AND OPS NORMAL. ETOPS CATEGORY 'B': DIVERSION OR TURNBACK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ATB RIGHT GEN OFF LIGHT STARTED APU OK, BUT WILL NOT PICKUP RIGHT BUS. REPLACED RIGHT GCU AND BPCU RUN-UP AND OPS NORMAL. ETOPS CATEGORY 'B': DIVERSION OR TURNBACK.