As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR RETRACTION AFTER TAKEOFF, GEAR OPEN LIGHT ILLUMINATED. REMAINED ON FOR INFLIGHT PORTION, EXTINGUISHED DURING GEAR EXTENSION FOR LANDING. REMOVED AND REPLACED WORN BEARINGS AND HINGE PINS ON LEFT AND RIGHT MAIN LANDING GEAR INBOARD DOORS IAW DC-9 OHM 32-13-5. PERFORMED ADJUSTMENT TEST IAW DC-9 AMM 32-30-00-2. PLACARD REMOVED.