What was found
(CAN) DURING 2 STAB TRIM TESTS, CHANNEL 2 FAILED INDICATED ON HSTCU FROM PANEL. REPLACED HSTCU, SYSTEM OPS CHECKED GOOD ON GROUND.AIRCRAFT BACK IN SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DURING 2 STAB TRIM TESTS, CHANNEL 2 FAILED INDICATED ON HSTCU FROM PANEL. REPLACED HSTCU, SYSTEM OPS CHECKED GOOD ON GROUND.AIRCRAFT BACK IN SERVICE.