What was found
ELEVATOR CONTROL/TRIM: ON DEPARTURE NEITHER RIGHT/LEFT PRIMARY PITCH TRIM SWITCH HAD ANY AFFECT ON TRIM. SECONDARY TRIM INITIALLY DID NOT RESPOND BUT EVENTUALLY DID RESPOND. ONCE ON GROUND, AND SECONDARY TRIM SWITCH OFF, NEITHER LEFT/RIGHT PRIMARY TRIM SWITCHES RESPOND AND AFTER @3 SECONDS RECEIVE AN AMBER CAS MSG "PRIM STAB TRIM FAIL" CORRECTIVE ACTION; REMOVED AND REPLACED PILOT AND COPILOT CONTROL WHEEL DISCONNECT SWITCHES OLD/NEW P/N: 9914291-2. OPS CHECKED GOOD AT THIS TIME ON GROUND. REF CE-680A M/M 22-10-50 AND 27-15-05