As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS- UPON DESCENT INTO BOS, ALL THREE GEAR DOORS REMAINED OPEN AFTER GEAR EXTENSION THEN CLOSED AFTER TOUCHDOWN. MAINTENANCE INSPECTED GEAR DOORS, NO DEFECTS NOTED. PERFORMED PSEU TEST PER DHC MANUAL, NO DEFECTS NOTED. A TEST FLIGHT WAS PERFORMED SATISFACTORY.