As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AFTER TAKE OFF ON CLIMB OUT WE HAD NO ELECTRIC TRIM IN NOSE DOWN POSITION, NEITHER TRIM SWITCHES WORK ON PILOT OR COPILOT. REMOVED AND REPLACED SWITCH S844 PER AMM 27-41-94, ALSO REMOVED AND REPLACED RELAY R850 (AALA202205205077) PER WDM 27-41-12.