As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CANOPY ASSEMBLY PN S2C503, DEPARTED AIRCRAFT DURING NORMAL FLIGHT ATTITUDE AND CRUISE SPEED. NO APPARENT COMPONENT FAILURE NOTED ON AIRCRAFT COCKPIT STRUCTURE OR CANOPY RETAINING COMPONENTS. SINCE CANOPY ASSEMBLY WAS NOT RECOVERED. NO PROBABLE CAUSE FOR SEPARATION COULD BE FOUND. (K)