As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER LIFT OFF, HATCH ASSY SEPARATED FROM ACFT. RETURNED TO AIRPORT AND LANDED WITHOUT INCIDENT. FOUND LATCH PARTS; PIVOT, SPRING, AND ROD WERE ALL DISCONNECTED FROM CLEVIS AND LOCK NUT MISSING. FINDINGS INDICATE THE ROD VIBRATED LOOSE AND THE ASSY CAME APART.