What was found
ON DESCENT LOST RT GEN TRIED ONE RESET - STARTED APU BUS AC BUS TIE WOULD NOT CLOSE. REMOVED AND REPLACED RT PCDU, GEN CONTROL RELAY & EXT PWR MAIN BTR REF AMM 24-21. APU BUS, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON DESCENT LOST RT GEN TRIED ONE RESET - STARTED APU BUS AC BUS TIE WOULD NOT CLOSE. REMOVED AND REPLACED RT PCDU, GEN CONTROL RELAY & EXT PWR MAIN BTR REF AMM 24-21. APU BUS, OPS CHECK GOOD.