As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SATCOM INOP IN TRANSMIT. CAN HEAR PEOPLE AT OTHER END. (RCVR OK) BOTH SAT 1 & SAT 2 INOP. GROUNDED - YES. PERFORMED FIM 23-15 TASK 801, CYCLED SATCOM CB. SUCCESSFULLY CALLED ATC ON SATCOM 1 AND 2 AND ACCOMPLISHED TWO WAY RADIO COMMUNICATIONS. REF AMM 23-15-00.