As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO MAKE A CALL ON SATCOM CONTINUED TO SAY 'NOT READY'. GROUNDED - YES. PER FIM 23-18 TASK 801, CYCLED SATCOM C/B FOR REBOOT THE SYSTEM. VERIFIED SAT 1 AND SAT 2 "READY" OPERATIONAL, PERFORMED SATISFACTORY SATCOM VOICE TEST PER AMM 23-15-00-730-801 STEP A.