As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUNCTIONAL TEST OF THE RIGHT ELEVATOR POWER-CONTROL UNIT (PCU#2 ) COMPENSATORS FAILED (C-CHECK RO 11/04/2021) REMOVED AND REPLACED THE RH ELEVATOR #2 POWER CONTROL UNIT REF CRJ-900 AMM 27-33-01-000-801-A01 & 27-33-01-400-801-A01,OPERATIONAL TEST GOOD. COMPLIED WITH SKYWEST TASK CARD 27-320-1003-SKY.