As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON TAKEOFF (AT ABOUT 50 IN THE CLIMB) THE LT INBD ROLL SPOILER DEPLOYED UN-COMMANDED. PASSING THROUGH 1500 IT RETRACTED. THE ACFT RETURNED TO THE BASE WITH NO FURTHER ISSUES. THE LT INBD ROLL SPOILER ACTUATOR WAS FOUND AT FAULT AND WAS REPLACED. SPOILER ACTUATOR PN A44700-009, S/N 0382, TSN 55233, CSN 62367. THIS ACTUATOR WAS ORIGINAL TO THE ACFT.