As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR EXTENSION @ CVG LT. MAIN GEAR LIGHT DID NOT ILLUMINATE. RED LEFT GEAR DOOR LIGHT REMAINED ILLUMINATED. PERFORMED ABNORMAL PROCEDURE, PROBLEM WAS NOT CORRECTED.R&R'D LEFT MAIN GEAR DOWNLOCK SWITCH IAW B-727 M/M 32-09-211. OP CHECKS SERVICEABLE.