What was found
DURING INITIAL POWER UP IN FAT, STAB TRIM CH2 WOULD NOT ENGAGE. REMOVED AND REPLACED HORIZONTAL STAB TRIM ACTUATOR AND MCU IAW CRJ MM 27-42-01. OPS CHECK GOOD. AIRCRAFT OK FOR RETURN TO CAT II SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING INITIAL POWER UP IN FAT, STAB TRIM CH2 WOULD NOT ENGAGE. REMOVED AND REPLACED HORIZONTAL STAB TRIM ACTUATOR AND MCU IAW CRJ MM 27-42-01. OPS CHECK GOOD. AIRCRAFT OK FOR RETURN TO CAT II SERVICE.