As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAT COM DATA LINK HI GAIN STATUS MSG. PCN 583-9201. SAT SYS TEST PASSED ON MAT BUT FAULTED- HIGH POWER AMPLIFIER FOR LOW GAIN ANTENNA. PER MEL PULLED AND COLLARED CB E21 ON P110 PANEL. REPLACED HIGH POWER AMP. REPLACED LT HF TRANSCEIVER REF MM 23-11-05 PG 401 AND OP CHECKED GOOD REF MM 23-11-00 PG50 1 AND ALSO CHECKED HF RADIOS ON PLANE WITH PILOT.