What was found
BOS - FLT 4746 - PITCH TRIM 1 FAILED IN FLIGHT, WARNING ON EICAS. RETURNED TO BOS FOR MAINTENANCE. REMOVED AND REPLACED HORIZONTAL STABILIZER CONTROL UNIT IAW AMM. OPS CHECK GOOD. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BOS - FLT 4746 - PITCH TRIM 1 FAILED IN FLIGHT, WARNING ON EICAS. RETURNED TO BOS FOR MAINTENANCE. REMOVED AND REPLACED HORIZONTAL STABILIZER CONTROL UNIT IAW AMM. OPS CHECK GOOD. (M)