As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROXIMATLEY 1.5 HOURS AFTER TAKEOFF RECEIVED "NO COMM " MESSAGE DISLAYED UNABLE TO SEND/RECEIVE ACARS DATA THROUGH SATQRHF. ACARS WORKS FINE ON VHF. GROUNDED - YES. VERIFIED ACARS DATA THROUGH SATCOM OPERATES PROPERLY ON GROUND. PERFORMED OPS TEST OF SATCOM SYSTEM. OPS TEST GOOD.REF B737-9 AMM AMM 23-15-00-710-801.PERFORMED SATCOM LINK TEST. LINK TEST SUCCESSFUL. REF AMM 23-27-00-700-802.