As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SATCOM INOP UNABLE TO MAKE CALL. GROUNDED - YES. ACCOMPLISHED SATCOM SYSTEM BITE TEST REF. B737-9 AMM 23-15-00-740-801 AND AMM 23-15-00-740-802. BITE TEST GOOD. PERFORMED SATCOM SYSTEM OPERATIONAL TEST REF. AMM 23-15-00-710-801. OPS TEST GOOD. ABLE TO MAKE CALL AND RECEIVED CALL PROPERLY.