What was found
JUST AFTER BAART AUTOPILOT DISCONNECTED AT FL 340 AND SATCOM LOCKUP. GROUNDED - YES. RE-ENGAGED AUTOPILOT, FOLLOWED ASA QRH FOR SATCOM LOCKUP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
JUST AFTER BAART AUTOPILOT DISCONNECTED AT FL 340 AND SATCOM LOCKUP. GROUNDED - YES. RE-ENGAGED AUTOPILOT, FOLLOWED ASA QRH FOR SATCOM LOCKUP.