As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, NOTICED GEAR UNLOCK LIGHT WITH HYDRAULIC PRESSURE ON ANNUNCIATOR. RAN CHECK LIST. WHEN GEAR CONTROL CIRCUIT BREAKER PULLED LT MAIN FELL WITH GREEN LIGHT. MATCHED CONDITION WITH GEAR HANDLE AND RT MAIN AND NOSE WHEEL FELL WITH GREEN LIGHTS. USED EMER GEAR BOTTLE AND LANDED. REPLACED HYDRO RELIEF VALVE PER 560 MM, CH 29-11-06. LEAK AND OPS CHECKS GOOD