As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE RAISING THE GEAR THE LEFT GEAR RED LIGHT STAY ILLUM. DID PROC AND LIGHT REMAIN ON. CONT FLT IN ACCORD WITH FLT MANUAL. CLEAN UPLOCK PROXIMITY SENSOR AND SENSOR TARGET. PERF LAND GEAR ASSY UNIT FUNCTION TEST PER MM 32-09-122-5. ALL STEPS PASSED. REMOVED AND REPLACED LG ASSY UNIT PER MM 32-09-121-4. PERF GEAR SWING PER MM 32-32-000-5. OPS NORM PER MM 32-61-001-5.