As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING RETRACTION GEAR AFTER TAKEOFF, LT MAIN GEAR RED GEAR INDICATOR REMAINED ILLUMINATED. COMPLIED WITH GEAR SPEED LIMITS, EXECUTED ABNORMAL CHECKLIST. GEAR DOWN INDICATIONS PRIMARY & SECONDARY FUNCTION NORMALLY. REPLACED THE LT MLG UPLOCK SWITCH & NON-RETURN VALVE IAW MM 32-60-10-05. ALL MLG FUNCTION CHECKED GOOD.