As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO FIELD DUE TO LANDING GEAR DOOR WARNING LIGHT. *S/D* REPLACED LWLG UPLOCK SEQUENCE VALVE, SWUNG GEAR SEVERAL TIMES. ACCOMPLISHED VERIFICATION FLIGHT PERFORMING SEVERAL GEAR EXTENSIONS/RETRACTIONS, OPERATION CHECKS NORMAL.