As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF WHEN GEAR SELECTED UP, GEAR INOPERATIVE LIGHT ON. AIRCRAFT RETURNED. NO GEAR FAULTS FOUND. RELAYS SWAPPED. LATER SAME DAY CLIMBING THROUGH 12,000 FEET GEAR INOPERATIVE LIGHT ON AGAIN. GEAR LOWERED MANUALLY. SOCKET FOR RELAY 3261-K11 FOUND LOOSE ON BASE