As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GEAR RETRACT AFT T/O, LEFT MAIN GEAR RED LIGHT ILLUM. ACCOMPLISH RED TAB PROC. REMOVED AND REPLACED PROXIMITY ELECTRONIC UNIT IAW DC-10-10 MM 32-61-01-2. PERFORMED LANDING GEAR EXT AND RETRACT CK IAW DC10-10 MM 32-30-00-5. SYS OPS CHECK NORM.