As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAN NOT TRANSMIT ON EITHER SATCOM RADIO. RECEIVED AUDIO JUST FINE. ACFT GROUNDED. VERIFIED DISCREPANCY. SATCOM 1 & 2 ON CAPT'S OR F/O'S ASP DOES NOT TRANSMIT. REMOVED/INSTALLED SATCOM TRANSCEIVER REF 23-15-00. SATCOM COMM SYS TEST, OPS NORMAL REF 22-15-00.