As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKEOFF AURAL WARNING TRIM ALERTS WHEN TRIM IS SET IN GREEN, HAS HAPPENED ON TAKEOFF ROLL ONLY AND NOT DURING GROUND TEST. CLEANED GLYCHOL OFF PROX SENSORS ON ELEVATOR TRIM TABS. REPLACED RIGHT PROX SWITCH ON ELEVATOR TRIM TAB IAW MM 27-32-05, OPS CHECK GOOD. P/N ATG120R.