As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SATCOM "BITE FAIL" ON SATCOM #2 PULLED SATCOM CIRCUIT BREAKER PER QRH. GROUNDED - YES. PERFORMED BITE CHECK OF SDU IN REFERENCE WITH B737-9 AMM 23-15-00-740-801 - SCM FAILED DURING BITE. REMOVED AND REPLACED SCM IN REFERENCE WITH AMM BOING 23-15-00-700-802. UPLOADED SOFTWARE IN REFERENCE WITH AMM 46-13-00-470-801.