What was found
STAB TRIM AND MACH TRIM MESSAGE APPEARED DURING CLIMB. COMPLIED WITH QRH, MESSAGE PERSISTED. REMOVED AND REPLACED HSTCU PN 7060-9, IAW AMM. OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STAB TRIM AND MACH TRIM MESSAGE APPEARED DURING CLIMB. COMPLIED WITH QRH, MESSAGE PERSISTED. REMOVED AND REPLACED HSTCU PN 7060-9, IAW AMM. OPS CHECK GOOD.