As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 28,000 FT MACH TRIM STAB TRIM CAUTIONS ON EICAS. UNABLE TO RESET. REMOVED AND REPLACED FCC CARD NR 2 WITH A SERVICEABLE UNIT IAW 22-10-00. OPS CHECKS GOOD. ALSO REMOVED AND REPLACED HSTCU WITH A SERVICEABLE UNIT ALONG WITH STAB TRIM/MACH TRIM ENGAGEMENT SWITCH PANEL ASSY IAW 27-40-00. OPS CHECKS GOOD. HSTCU P/N: 7060-9, S/N OFF: 1077.