As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YYZ INFLIGHT T1084/10AUG - SPEED TRIM FAIL LIGHT ILLUMINATED DURING CLIMB IN CONJUNCTION WITH THE STABILIZER TRIM INOPERATIVE. LANDED YYZ WITHOUT INCIDENT. REPLACED STABILIZER TRIM CUTOUT RELAY R64 AND ACCOMPLISHED STABILIZER TRIM CUTOUT TEST. SYSTEM GROUND CHECKED NORMAL OPERATION.