As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SATCOM HI GAIN SATCOM HI GAIN IS FAILED. STATUS MSG-2360041 INACTV ER INTER. MAT FAULT HISTORY LAST LEG SHOWED MAINT MSG 23-60061 AND 23-60041. HIGH POWER AMP FOR HIGH GAIN ANT WAS PREVIOUSLY REPLACED. HIGH POWER AMP FOR LOW GAIN ALSO FAULTED BUT NOT REPLACED. BOTH DETECTED BY THE SAT DATA UNIT. HIGH GAIN INOP PER MEL. T-S, DETERMINED HPA FOR HGA WAS AT FAULT. REPLACED HPA FOR HGA. GROUND TEST PASSED.