As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH ELEVATOR INBD PCU FAILED COMPENSATOR FUNCTIONAL TEST. MEASURED 0.40 IN DIMENSION AFTER 1 MIN OF HYD PRESSURE RELEASE. SHOULD BE 0.44 IN AS PER 1C TASK CARD 27-330-120-(CONFIG A01). PCU REQUIRES REPLACEMENT. (C-CHECK RO 9/30/2021) REMOVED AND REPLACED LH #3 PCU IAW CRJ700 AMM 27-33-01-000/400-801-A01 OPS AND LEAK TEST GOOD